#include <fstream>

using namespace std;

ifstream f("sum.in");
ofstream g("sum.out");

int N,i,nr;
int phi[100005];

int main()
{
    f>>nr;
    for(int j=0;j<nr;j++)
    {
    f>>N;
    for (int i = 1; i <= N; ++i)
        phi[i] = i-1;
    for (int i = 2; i <= N; ++i)
        for (int j = 2*i; j <= N; j += i)
            phi[j] -= phi[i];
    g<<phi[N]*N*2;
    }
    return 0;
}