/**
 *   @FileName	a.cpp
 *   @Author	kanpurin
 *   @Created	2020.06.17 16:05:07
**/

#include "bits/stdc++.h" 
using namespace std; 
typedef long long ll;



template < typename T >
vector< T > enum_div(T n) {
    vector< T > ret;
    for (T i = 1; i * i <= n; ++i) {
        if (n % i == 0) {
            ret.push_back(i);
            if (i * i != n) {
                ret.push_back(n / i);
            }
        }
    }
    return ret;
}
int main() {
    ll n, k;
    cin >> n >> k;
    auto v = enum_div(k);
    ll ans = 0;
    for (auto p : v) {
        if (p == 1 || p == k) continue;
        ll res = 1;
        if (p <= n) {
            res *= p - 1;
        }
        else if (2 * n < p) {
            res *= 0;
        }
        else {
            res *= 2 * n - p + 1;
        }
        if (k / p <= n) {
            res *= k / p - 1;
        }
        else if (2 * n < k / p) {
            res *= 0;
        }
        else {
            res *= 2 * n - k / p + 1;
        }
        ans += res;
    }
    cout << ans << endl;
    return 0;
}