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_gcds = []
    for num in a:
        current_dict = {}
        # Process previous GCDs
        for g, cnt in prev_gcds:
            new_gcd = math.gcd(g, num)
            if new_gcd in current_dict:
                current_dict[new_gcd] += cnt
            else:
                current_dict[new_gcd] = cnt
        # Add the current number as a new subarray
        if num in current_dict:
            current_dict[num] += 1
        else:
            current_dict[num] = 1
        # Update total with count of GCD 1
        total += current_dict.get(1, 0)
        # Prepare for next iteration
        prev_gcds = list(current_dict.items())
    print(total)

if __name__ == "__main__":
    main()