#include <stdio.h>


int gcd(int a, int b) {
    if (b == 0)
        return a;
    return gcd(b, a % b);
}


int lcm(int a, int b) {
    return (a * b) / gcd(a, b);
}

int main() {
    int T;  
    scanf("%d", &T);
    
    while (T--) {
        int A, B;
        scanf("%d %d", &A, &B);

        int count = 0;
        for (int i = 1; i <= A; i++) {
            for (int j = 1; j <= B; j++) {
                if (gcd(i, j) != lcm(i, j)) {
                    count++;
                }
            }
        }
        printf("%d\n", count);
    }

    return 0;
}