8181540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 25872000

約数和(自身を除く): 17690460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 109, 135, 139, 180, 218, 270, 278, 327, 417, 436, 540, 545, 556, 654, 695, 834, 981, 1090, 1251, 1308, 1390, 1635, 1668, 1962, 2085, 2180, 2502, 2780, 2943, 3270, 3753, 3924, 4170, 4905, 5004, 5886, 6255, 6540, 7506, 8340, 9810, 11772, 12510, 14715, 15012, 15151, 18765, 19620, 25020, 29430, 30302, 37530, 45453, 58860, 60604, 75060, 75755, 90906, 136359, 151510, 181812, 227265, 272718, 303020, 409077, 454530, 545436, 681795, 818154, 909060, 1363590, 1636308, 2045385, 2727180, 4090770, 8181540]

約数ペア:

[(1, 8181540), (2, 4090770), (3, 2727180), (4, 2045385), (5, 1636308), (6, 1363590), (9, 909060), (10, 818154), (12, 681795), (15, 545436), (18, 454530), (20, 409077), (27, 303020), (30, 272718), (36, 227265), (45, 181812), (54, 151510), (60, 136359), (90, 90906), (108, 75755), (109, 75060), (135, 60604), (139, 58860), (180, 45453), (218, 37530), (270, 30302), (278, 29430), (327, 25020), (417, 19620), (436, 18765), (540, 15151), (545, 15012), (556, 14715), (654, 12510), (695, 11772), (834, 9810), (981, 8340), (1090, 7506), (1251, 6540), (1308, 6255), (1390, 5886), (1635, 5004), (1668, 4905), (1962, 4170), (2085, 3924), (2180, 3753), (2502, 3270), (2780, 2943)]