#include<cstdio>

long long a[510][1010];
int v[510];

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

int main()
{
	freopen("indep.in","r",stdin);
	freopen("indep.out","w",stdout);
	int n,i,j,d;
	scanf("%d",&n);
	for(i=1;i<=n;i++)
		scanf("%d",&v[i]);
	a[0][0]=1;
	for(i=1;i<=n;i++)
	{
		for(j=0;j<=1000;j++)
		{	
			d=cmmdc(j,v[i]);
			a[i][d]+=a[i-1][j];
		}
		for(j=0;j<=1000;j++)
			a[i][j]+=a[i-1][j];
	}
	printf("%lld",a[n][1]);
	return 0;
}