90627880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 246343680

約数和(自身を除く): 155715800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 53, 56, 62, 70, 106, 124, 140, 155, 197, 212, 217, 248, 265, 280, 310, 371, 394, 424, 434, 530, 620, 742, 788, 868, 985, 1060, 1085, 1240, 1379, 1484, 1576, 1643, 1736, 1855, 1970, 2120, 2170, 2758, 2968, 3286, 3710, 3940, 4340, 5516, 6107, 6572, 6895, 7420, 7880, 8215, 8680, 10441, 11032, 11501, 12214, 13144, 13790, 14840, 16430, 20882, 23002, 24428, 27580, 30535, 32860, 41764, 42749, 46004, 48856, 52205, 55160, 57505, 61070, 65720, 73087, 83528, 85498, 92008, 104410, 115010, 122140, 146174, 170996, 208820, 213745, 230020, 244280, 292348, 323671, 341992, 365435, 417640, 427490, 460040, 584696, 647342, 730870, 854980, 1294684, 1461740, 1618355, 1709960, 2265697, 2589368, 2923480, 3236710, 4531394, 6473420, 9062788, 11328485, 12946840, 18125576, 22656970, 45313940, 90627880]

約数ペア:

[(1, 90627880), (2, 45313940), (4, 22656970), (5, 18125576), (7, 12946840), (8, 11328485), (10, 9062788), (14, 6473420), (20, 4531394), (28, 3236710), (31, 2923480), (35, 2589368), (40, 2265697), (53, 1709960), (56, 1618355), (62, 1461740), (70, 1294684), (106, 854980), (124, 730870), (140, 647342), (155, 584696), (197, 460040), (212, 427490), (217, 417640), (248, 365435), (265, 341992), (280, 323671), (310, 292348), (371, 244280), (394, 230020), (424, 213745), (434, 208820), (530, 170996), (620, 146174), (742, 122140), (788, 115010), (868, 104410), (985, 92008), (1060, 85498), (1085, 83528), (1240, 73087), (1379, 65720), (1484, 61070), (1576, 57505), (1643, 55160), (1736, 52205), (1855, 48856), (1970, 46004), (2120, 42749), (2170, 41764), (2758, 32860), (2968, 30535), (3286, 27580), (3710, 24428), (3940, 23002), (4340, 20882), (5516, 16430), (6107, 14840), (6572, 13790), (6895, 13144), (7420, 12214), (7880, 11501), (8215, 11032), (8680, 10441)]