#include <fstream>
using namespace std;

int v[1<<9],n;
long long a[1<<9][1<<10];

ifstream in("indep.in");
ofstream out("indep.out");

int cmmdc(int a,int b)
{
	int c;
	while (b)
	{
		c=a%b;
		a=b;
		b=c;
	}
	return a;
}

int main()
{
	int i,j;
	in>>n;
	for (i=1;i<=n;i++)
		in>>v[i];
	a[1][v[1]]=1;
	for (i=2;i<=n;i++)
	{
		for (j=1;j<(1<<10);j++)
			a[i][cmmdc(j,v[i])]+=a[i-1][j];
		for (j=1;j<(1<<10);j++)
			a[i][j]+=a[i-1][j];
	}
	out<<a[n][1]<<'\n';
	return 0;
}