/**
  @file main.cpp
  @title No.864 四方演算
  @url https://yukicoder.me/problems/no/864
**/

#include <bits/stdc++.h>
using namespace std;

typedef long long LL;
#define ALL(obj) (obj).begin(), (obj).end()
#define REP(i, N) for (int i = 0; i < (N); ++i)

vector<uint> make_divisors(uint n) {
  vector<uint> divisors;
  for (uint i = 1; i <= sqrt(n) + 1; i++) {
  // for (uint i = 1; i * i <= n; i++) {
    if (n % i == 0) {
      divisors.push_back(i);
      divisors.push_back(n / i);
    }
  }
  sort(ALL(divisors));
  divisors.erase(unique(divisors.begin(), divisors.end()), divisors.end());
  return divisors;
}

uint seps(uint q, uint N) {
  if (2 <= q && q <= N + 1) {
    return q - 1;
  } else if (N + 2 <= q && q <= 2 * N) {
    return 2 * N + 1 - q;
  } else {
    return 0;
  }
}

template <class T>
void show(vector<T>& v) {
  for (uint i = 0; i < v.size(); i++) {
    cout << v[i] << " ";
  }
  cout << "\n";
}

int main() {
  uint N, K;
  cin >> N >> K;

  vector<uint> divs = make_divisors(K);
  // show(divs);

  LL ans = 0;
  for (auto i : divs) {
    if (i == 1 || i == K) {
      continue;
    }
    uint j = K / i;

    // cout << seps(i, N) << " , " << seps(j, N) << "\n";
    ans += seps(i, N) * seps(j, N);
  }

  cout << ans << endl;
  return 0;
  }