import math

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

prev_gcds = {}
ans = 0

for num in a:
    current_gcds = {}
    # Process previous GCDs
    for g in prev_gcds:
        new_g = math.gcd(g, num)
        if new_g in current_gcds:
            current_gcds[new_g] += prev_gcds[g]
        else:
            current_gcds[new_g] = prev_gcds[g]
    # Add the current number itself
    new_g = num
    if new_g in current_gcds:
        current_gcds[new_g] += 1
    else:
        current_gcds[new_g] = 1
    # Update the answer
    ans += current_gcds.get(1, 0)
    # Update prev_gcds for next iteration
    prev_gcds = current_gcds.copy()

print(ans)