#include <assert.h>
#include <limits.h>
#include <cmath>
#include <algorithm>
#include <bitset>
#include <cctype>
#include <complex>
#include <deque>
#include <iomanip>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>

using ll = long long;
using P = std::pair<ll, ll>;

#define rep(i, a, b) for (ll(i) = (a); i < (b); i++)
#define all(i) i.begin(), i.end()
#define debug(i) std::cout << i << "\n"

//const ll MOD = 998244353;
const ll MOD = 1e9+7;
 
int main() {
  std::cin.tie(0);
  std::ios::sync_with_stdio(false);
  //問題文中の添え字が0-indexか1-indexか確認!

  ll n,k;
  std::cin>>n>>k;
  std::vector<ll> fact;
  for(ll i=1;i*i<=k;i++){
    if(k%i==0){
        fact.push_back(i);
        if(i*i!=k)fact.push_back(k/i);
    }
  }

  ll ans=0;
  std::sort(all(fact));
  for(ll i:fact){
    ll temp1=0,temp2=0;
    if(i<=n+1)temp1=i-1;
    else if(i<=2*n)temp1=2*n-i+1;

    if(k/i<=n+1)temp2=k/i-1;
    else if(k/i<=2*n)temp2=2*n-k/i+1;

    ans+=temp1*temp2;
  }


  std::cout<<ans<<"\n";
  return 0;
}