155745240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5981}}^1$

素因数の和:6033

約数の個数: 128

約数和(自身を含む): 551301120

約数和(自身を除く): 395555880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 5981, 6510, 8680, 11962, 13020, 17943, 23924, 26040, 29905, 35886, 41867, 47848, 59810, 71772, 83734, 89715, 119620, 125601, 143544, 167468, 179430, 185411, 209335, 239240, 251202, 334936, 358860, 370822, 418670, 502404, 556233, 628005, 717720, 741644, 837340, 927055, 1004808, 1112466, 1256010, 1297877, 1483288, 1674680, 1854110, 2224932, 2512020, 2595754, 2781165, 3708220, 3893631, 4449864, 5024040, 5191508, 5562330, 6489385, 7416440, 7787262, 10383016, 11124660, 12978770, 15574524, 19468155, 22249320, 25957540, 31149048, 38936310, 51915080, 77872620, 155745240]

約数ペア:

[(1, 155745240), (2, 77872620), (3, 51915080), (4, 38936310), (5, 31149048), (6, 25957540), (7, 22249320), (8, 19468155), (10, 15574524), (12, 12978770), (14, 11124660), (15, 10383016), (20, 7787262), (21, 7416440), (24, 6489385), (28, 5562330), (30, 5191508), (31, 5024040), (35, 4449864), (40, 3893631), (42, 3708220), (56, 2781165), (60, 2595754), (62, 2512020), (70, 2224932), (84, 1854110), (93, 1674680), (105, 1483288), (120, 1297877), (124, 1256010), (140, 1112466), (155, 1004808), (168, 927055), (186, 837340), (210, 741644), (217, 717720), (248, 628005), (280, 556233), (310, 502404), (372, 418670), (420, 370822), (434, 358860), (465, 334936), (620, 251202), (651, 239240), (744, 209335), (840, 185411), (868, 179430), (930, 167468), (1085, 143544), (1240, 125601), (1302, 119620), (1736, 89715), (1860, 83734), (2170, 71772), (2604, 59810), (3255, 47848), (3720, 41867), (4340, 35886), (5208, 29905), (5981, 26040), (6510, 23924), (8680, 17943), (11962, 13020)]