#include<cstdio>
using namespace std;
int n;
int a[1010][30], b[1010][30];
const int baza=100000000;
int unu[30];
int cmmdc(int a,int b)
{
    int r;
    while(b!=0)
    {
        r=a%b;
        a=b;
        b=r;
    }
    return a;
}
void adun(int a[],int b[])
{
    int i=1,t=0;
    for(;i<=a[0]||i<=b[0]||t!=0;++i,t/=baza)
    {
        t+=a[i]+b[i];
        a[i]=t%baza;
    }
    a[0]=i-1;
}
void scrie(int a[])
{
    printf("%d",a[a[0]]);
    for(int i=a[0]-1;i>0;--i)
      printf("%.8d",a[i]);
    printf("\n");
}
int main()
{
    freopen("indep.in","r",stdin);
    freopen("indep.out","w",stdout);
    scanf("%d",&n);
    int x;
    unu[0]=unu[1]=1;
    for(int i=1;i<1001;++i)
    {
         a[i][0]=1;
         b[i][0] = 1;
    }

    for(int i=0;i<n;++i)
    {
        scanf("%d",&x);
        for(int j=1;j<1001;++j)
          adun(b[cmmdc(x,j)],a[j]);
        adun(b[x],unu);
        for(int j=1;j<1001;++j)
        {
            for(int p = 0; p <= 30; p++)
            {
                a[j][p] = b[j][p];
            }
        }
    }
    scrie(a[1]);
    return 0;
}