INF = 10 ** 9
MOD = 10 **9 + 7
import sys
sys.setrecursionlimit(100000000)
dy = (-1,0,1,0)
dx = (0,1,0,-1)
from math import gcd
from collections import defaultdict
from copy import deepcopy

def main():
    n = int(input())
    a = list(map(int,input().split()))

    if a[0] == 1:
        ans = 1
    else:
        ans = 0

    dp1 = defaultdict(int)
    dp1[a[0]] = 1
    for i in range(1,n):
        dp2 = defaultdict(int)
        for k in dp1:
            g = gcd(k,a[i])
            dp2[g] += dp1[k]
        dp2[a[i]] += 1
        dp1 = dp2
        ans += dp1[1]
    print(ans)
if __name__=='__main__':
    main()