import math
from collections import defaultdict

n = int(input())
a = list(map(int, input().split()))
total = 0
prev_gcds = defaultdict(int)

for num in a:
    curr_gcds = defaultdict(int)
    curr_gcds[num] = 1
    for g in prev_gcds:
        new_g = math.gcd(g, num)
        curr_gcds[new_g] += prev_gcds[g]
    total += curr_gcds.get(1, 0)
    prev_gcds = curr_gcds

print(total)