#include <bits/stdc++.h>
using namespace std;
#define SC               scanf
#define PF               printf
#define ull              unsigned long long
#define ld               long double
#define F                first
#define S                second
#define pb               push_back
#define sort_a(a)        sort(a.begin(),a.end());
#define sort_d(a)        sort(a.rbegin(),a.rend());
#define READ(f)          freopen(f, "r", stdin)
#define WRITE(f)         freopen(f, "w", stdout)
#define rev(s)           reverse(s.begin(),s.end())
#define P(ok)            cout << (ok ? "YES\n": "NO\n")
#define __Heart__              ios_base :: sync_with_stdio(false); cin.tie(NULL);
#define ll long long
typedef pair< ll , ll>                   PII;
const int M = 1e9 + 7 ;
void solve()
{
   ll n , sum = 0 ; cin >> n ; ll a[n] , k = n ;
   for(auto &x : a) cin >> x ;
   int high = 1 << n ;
   map < ll , vector < ll > > mp ;
   for (int i = 1; i < high; i++){
    ll gc = 0 , cnt = 0;
    for(int j = 0 ; j < n ; j++){
        if(i & (1 << j)) gc = __gcd(gc , a[j]) , cnt++ ;
    }
    mp[cnt].pb(gc) ;
   }
   ll Ans = 1 ;
   vector < ll > v ;
   for(int i = 1; i <= n ; i++){
        ll sum = 0 ;
    for(auto k : mp[i]){
        sum += k ;
    }
    v.pb(sum) ;
   }
   for(auto it : v){
    Ans = ((Ans % M) * (it % M)) % M ;
   }
   cout << Ans << "\n" ;
}
int main()
{
     __Heart__
     int t ; cin >> t ; while(t--) solve() ;
}