N = int(input())
A = list(map(int,input().split()))

def gcd(a,b):
    if b == 0:return a
    while True:
        r = a % b
        a = b
        b = r
        if r == 0:return a
from collections import defaultdict
d = defaultdict(int)
count = 0
d[0] = 1
for a in A:
    e = defaultdict(int)
    for k in d:
        g = gcd(k,a)
        e[g] += d[k]
    count += e[1]
    e[0] += 1
    d = e
print(count)