import sys
import math

def main():
    input = sys.stdin.read().split()
    n = int(input[0])
    A = list(map(int, input[1:n+1]))
    total = 0
    prev_gcd = {}
    for num in A:
        current_gcd = {}
        # Process each GCD from the previous step
        for g in prev_gcd:
            cnt = prev_gcd[g]
            new_g = math.gcd(g, num)
            if new_g in current_gcd:
                current_gcd[new_g] += cnt
            else:
                current_gcd[new_g] = cnt
        # Add the current number as a new subarray
        if num in current_gcd:
            current_gcd[num] += 1
        else:
            current_gcd[num] = 1
        # Update the total with the count of GCD 1
        if 1 in current_gcd:
            total += current_gcd[1]
        # Set current_gcd as prev_gcd for the next iteration
        prev_gcd = current_gcd
    print(total)

if __name__ == '__main__':
    main()