#include<iostream>
#define ll long long
using namespace std;
int main(){

   ll N; cin>>N;
   ll arr[N];
   ll count=0;
   for(ll i=0;i<N;i++){
    cin>>arr[i];
   }
   for(ll i=0;i<N;i++){
    for(ll j=0;j<N;j++){
        ll mul=i*j;
        ll sum=i+j;
        if(mul%sum==0){
            count++;
        }
    }
   }
   cout<<count;

return 0;

}