#include <iostream>
#include <fstream>
using namespace std;
ifstream f("indep.in");
ofstream g("indep.out");
int n,v[1005];
unsigned long long dp[1005];
int Cmmdc(int a,int b)
{ int c;
    while(b)
    { c=a%b;
      a=b; b=c;
    }
 return a;
}

int main()
{ int i,j,mx=0;
  f>>n;
  for(i=1;i<=n;i++)
    {f>>v[i];
     mx=max(mx,v[i]);
    }
  dp[v[1]]=1;
  for(i=2;i<=n;i++)
  {
     for(j=1;j<=mx;j++)
      {dp[Cmmdc(j,v[i])]+=dp[j];
      // cout<<dp[j]<<" ";
      }
    dp[v[i]]++;
  // cout<<"\n";
  }

  g<<dp[1];
    return 0;
}