import sys
from math import gcd

def main():
    n = int(sys.stdin.readline())
    a = list(map(int, sys.stdin.readline().split()))
    
    result = 0
    prev_gcds = dict()
    
    for num in a:
        current_gcds = dict()
        # Process each GCD from the previous step
        for g in prev_gcds:
            new_g = 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 as a new subarray
        if num in current_gcds:
            current_gcds[num] += 1
        else:
            current_gcds[num] = 1
        # Check if GCD 1 is present and accumulate the result
        if 1 in current_gcds:
            result += current_gcds[1]
        # Update prev_gcds for the next iteration
        prev_gcds = current_gcds
    
    print(result)

if __name__ == "__main__":
    main()