#include <bits/stdc++.h>
#define loop(n) for (int ngtkana_is_geneous = 0; ngtkana_is_geneous < n; ngtkana_is_geneous++)
#define rep(i, begin, end) for(int i = begin; i < end; i++)

int main()
{
  std::cin.tie(0); std::cin.sync_with_stdio(false);
  long long n, k; std::cin >> n >> k;
  auto cal = [&] (long long x)
  {
    if (x <= n) return x - 1;
    if (x <= 2 * n) return 2 * n - x + 1;
    return 0LL;
  };
  std::vector<long long> d;
  for (long long i = 1; i * i <= k; i++)
  {
    if (k % i == 0)
    {
      d.push_back(i);
      if (i * i != k) d.push_back(k / i);
    }
  }
  std::sort(d.begin(), d.end());
  long long ret = 0;
  for (auto x : d)
  {
    ret += cal(x) * cal(k / x);
  }
  std::cout << ret << std::endl;
  return 0;
}