import math
from collections import defaultdict

n = int(input())
a = list(map(int, input().split()))
total = 0
prev_gcd = dict()

for num in a:
    current_gcd = defaultdict(int)
    current_gcd[num] = 1
    for g, cnt in prev_gcd.items():
        new_g = math.gcd(g, num)
        current_gcd[new_g] += cnt
    total += current_gcd.get(1, 0)
    prev_gcd = current_gcd

print(total)