40237680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:623

約数の個数: 160

約数和(自身を含む): 146133504

約数和(自身を除く): 105895824

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 215, 240, 258, 280, 301, 336, 344, 420, 430, 516, 557, 560, 602, 645, 688, 840, 860, 903, 1032, 1114, 1204, 1290, 1505, 1671, 1680, 1720, 1806, 2064, 2228, 2408, 2580, 2785, 3010, 3342, 3440, 3612, 3899, 4456, 4515, 4816, 5160, 5570, 6020, 6684, 7224, 7798, 8355, 8912, 9030, 10320, 11140, 11697, 12040, 13368, 14448, 15596, 16710, 18060, 19495, 22280, 23394, 23951, 24080, 26736, 31192, 33420, 36120, 38990, 44560, 46788, 47902, 58485, 62384, 66840, 71853, 72240, 77980, 93576, 95804, 116970, 119755, 133680, 143706, 155960, 167657, 187152, 191608, 233940, 239510, 287412, 311920, 335314, 359265, 383216, 467880, 479020, 502971, 574824, 670628, 718530, 838285, 935760, 958040, 1005942, 1149648, 1341256, 1437060, 1676570, 1916080, 2011884, 2514855, 2682512, 2874120, 3353140, 4023768, 5029710, 5748240, 6706280, 8047536, 10059420, 13412560, 20118840, 40237680]

約数ペア:

[(1, 40237680), (2, 20118840), (3, 13412560), (4, 10059420), (5, 8047536), (6, 6706280), (7, 5748240), (8, 5029710), (10, 4023768), (12, 3353140), (14, 2874120), (15, 2682512), (16, 2514855), (20, 2011884), (21, 1916080), (24, 1676570), (28, 1437060), (30, 1341256), (35, 1149648), (40, 1005942), (42, 958040), (43, 935760), (48, 838285), (56, 718530), (60, 670628), (70, 574824), (80, 502971), (84, 479020), (86, 467880), (105, 383216), (112, 359265), (120, 335314), (129, 311920), (140, 287412), (168, 239510), (172, 233940), (210, 191608), (215, 187152), (240, 167657), (258, 155960), (280, 143706), (301, 133680), (336, 119755), (344, 116970), (420, 95804), (430, 93576), (516, 77980), (557, 72240), (560, 71853), (602, 66840), (645, 62384), (688, 58485), (840, 47902), (860, 46788), (903, 44560), (1032, 38990), (1114, 36120), (1204, 33420), (1290, 31192), (1505, 26736), (1671, 24080), (1680, 23951), (1720, 23394), (1806, 22280), (2064, 19495), (2228, 18060), (2408, 16710), (2580, 15596), (2785, 14448), (3010, 13368), (3342, 12040), (3440, 11697), (3612, 11140), (3899, 10320), (4456, 9030), (4515, 8912), (4816, 8355), (5160, 7798), (5570, 7224), (6020, 6684)]