#include<iostream>
#include<map>
using namespace std;
map<int,long>M;
int N;
int gcd(int a,int b){return b?gcd(b,a%b):a;}
main()
{
	cin>>N;
	M[0]=1;
	for(int i=0;i<N;i++)
	{
		int A;cin>>A;
		map<int,long>U;
		for(map<int,long>::iterator it=M.begin();it!=M.end();it++)
		{
			U[it->first]+=it->second;
			U[gcd(it->first,A)]+=it->second;
		}
		M=U;
	}
	cout<<M[1]<<endl;
}