import sys
import math

def main():
    input = sys.stdin.read
    data = input().split()
    
    N = int(data[0])
    A = list(map(int, data[1:N+1]))
    
    result = 0
    prev_gcds = []
    
    for a in A:
        tmp = {}
        # Process previous GCDs
        for g, cnt in prev_gcds:
            new_g = math.gcd(g, a)
            if new_g in tmp:
                tmp[new_g] += cnt
            else:
                tmp[new_g] = cnt
        # Add the current element as a single-element subarray
        if a in tmp:
            tmp[a] += 1
        else:
            tmp[a] = 1
        # Update the result with the count of GCD=1
        if 1 in tmp:
            result += tmp[1]
        # Prepare for the next iteration
        prev_gcds = []
        for g in tmp:
            prev_gcds.append((g, tmp[g]))
    
    print(result)

if __name__ == "__main__":
    main()