71905140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{399473}}^1$

素因数の和:399488

約数の個数: 36

約数和(自身を含む): 218112804

約数和(自身を除く): 146207664

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 399473, 798946, 1198419, 1597892, 1997365, 2396838, 3595257, 3994730, 4793676, 5992095, 7190514, 7989460, 11984190, 14381028, 17976285, 23968380, 35952570, 71905140]

約数ペア:

[(1, 71905140), (2, 35952570), (3, 23968380), (4, 17976285), (5, 14381028), (6, 11984190), (9, 7989460), (10, 7190514), (12, 5992095), (15, 4793676), (18, 3994730), (20, 3595257), (30, 2396838), (36, 1997365), (45, 1597892), (60, 1198419), (90, 798946), (180, 399473)]