165904380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1489}}^1$

素因数の和:2123

約数の個数: 72

約数和(自身を含む): 504394800

約数和(自身を除く): 338490420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 619, 1238, 1489, 1857, 2476, 2978, 3095, 3714, 4467, 5571, 5956, 6190, 7428, 7445, 8934, 9285, 11142, 12380, 13401, 14890, 17868, 18570, 22284, 22335, 26802, 27855, 29780, 37140, 44670, 53604, 55710, 67005, 89340, 111420, 134010, 268020, 921691, 1843382, 2765073, 3686764, 4608455, 5530146, 8295219, 9216910, 11060292, 13825365, 16590438, 18433820, 27650730, 33180876, 41476095, 55301460, 82952190, 165904380]

約数ペア:

[(1, 165904380), (2, 82952190), (3, 55301460), (4, 41476095), (5, 33180876), (6, 27650730), (9, 18433820), (10, 16590438), (12, 13825365), (15, 11060292), (18, 9216910), (20, 8295219), (30, 5530146), (36, 4608455), (45, 3686764), (60, 2765073), (90, 1843382), (180, 921691), (619, 268020), (1238, 134010), (1489, 111420), (1857, 89340), (2476, 67005), (2978, 55710), (3095, 53604), (3714, 44670), (4467, 37140), (5571, 29780), (5956, 27855), (6190, 26802), (7428, 22335), (7445, 22284), (8934, 18570), (9285, 17868), (11142, 14890), (12380, 13401)]