31915260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{593}}^1$

素因数の和:644

約数の個数: 144

約数和(自身を含む): 108972864

約数和(自身を除く): 77057604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 90, 92, 115, 117, 130, 138, 156, 180, 195, 207, 230, 234, 260, 276, 299, 345, 390, 414, 460, 468, 585, 593, 598, 690, 780, 828, 897, 1035, 1170, 1186, 1196, 1380, 1495, 1779, 1794, 2070, 2340, 2372, 2691, 2965, 2990, 3558, 3588, 4140, 4485, 5337, 5382, 5930, 5980, 7116, 7709, 8895, 8970, 10674, 10764, 11860, 13455, 13639, 15418, 17790, 17940, 21348, 23127, 26685, 26910, 27278, 30836, 35580, 38545, 40917, 46254, 53370, 53820, 54556, 68195, 69381, 77090, 81834, 92508, 106740, 115635, 122751, 136390, 138762, 154180, 163668, 177307, 204585, 231270, 245502, 272780, 277524, 346905, 354614, 409170, 462540, 491004, 531921, 613755, 693810, 709228, 818340, 886535, 1063842, 1227510, 1387620, 1595763, 1773070, 2127684, 2455020, 2659605, 3191526, 3546140, 5319210, 6383052, 7978815, 10638420, 15957630, 31915260]

約数ペア:

[(1, 31915260), (2, 15957630), (3, 10638420), (4, 7978815), (5, 6383052), (6, 5319210), (9, 3546140), (10, 3191526), (12, 2659605), (13, 2455020), (15, 2127684), (18, 1773070), (20, 1595763), (23, 1387620), (26, 1227510), (30, 1063842), (36, 886535), (39, 818340), (45, 709228), (46, 693810), (52, 613755), (60, 531921), (65, 491004), (69, 462540), (78, 409170), (90, 354614), (92, 346905), (115, 277524), (117, 272780), (130, 245502), (138, 231270), (156, 204585), (180, 177307), (195, 163668), (207, 154180), (230, 138762), (234, 136390), (260, 122751), (276, 115635), (299, 106740), (345, 92508), (390, 81834), (414, 77090), (460, 69381), (468, 68195), (585, 54556), (593, 53820), (598, 53370), (690, 46254), (780, 40917), (828, 38545), (897, 35580), (1035, 30836), (1170, 27278), (1186, 26910), (1196, 26685), (1380, 23127), (1495, 21348), (1779, 17940), (1794, 17790), (2070, 15418), (2340, 13639), (2372, 13455), (2691, 11860), (2965, 10764), (2990, 10674), (3558, 8970), (3588, 8895), (4140, 7709), (4485, 7116), (5337, 5980), (5382, 5930)]