64478960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:571

約数の個数: 160

約数和(自身を含む): 195737472

約数和(自身を除く): 131258512

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 80, 85, 91, 104, 112, 119, 130, 136, 140, 170, 182, 208, 221, 238, 260, 272, 280, 340, 364, 442, 455, 476, 520, 521, 560, 595, 680, 728, 884, 910, 952, 1040, 1042, 1105, 1190, 1360, 1456, 1547, 1768, 1820, 1904, 2084, 2210, 2380, 2605, 3094, 3536, 3640, 3647, 4168, 4420, 4760, 5210, 6188, 6773, 7280, 7294, 7735, 8336, 8840, 8857, 9520, 10420, 12376, 13546, 14588, 15470, 17680, 17714, 18235, 20840, 24752, 27092, 29176, 30940, 33865, 35428, 36470, 41680, 44285, 47411, 54184, 58352, 61880, 61999, 67730, 70856, 72940, 88570, 94822, 108368, 115141, 123760, 123998, 135460, 141712, 145880, 177140, 189644, 230282, 237055, 247996, 270920, 291760, 309995, 354280, 379288, 460564, 474110, 495992, 541840, 575705, 619990, 708560, 758576, 805987, 921128, 948220, 991984, 1151410, 1239980, 1611974, 1842256, 1896440, 2302820, 2479960, 3223948, 3792880, 4029935, 4605640, 4959920, 6447896, 8059870, 9211280, 12895792, 16119740, 32239480, 64478960]

約数ペア:

[(1, 64478960), (2, 32239480), (4, 16119740), (5, 12895792), (7, 9211280), (8, 8059870), (10, 6447896), (13, 4959920), (14, 4605640), (16, 4029935), (17, 3792880), (20, 3223948), (26, 2479960), (28, 2302820), (34, 1896440), (35, 1842256), (40, 1611974), (52, 1239980), (56, 1151410), (65, 991984), (68, 948220), (70, 921128), (80, 805987), (85, 758576), (91, 708560), (104, 619990), (112, 575705), (119, 541840), (130, 495992), (136, 474110), (140, 460564), (170, 379288), (182, 354280), (208, 309995), (221, 291760), (238, 270920), (260, 247996), (272, 237055), (280, 230282), (340, 189644), (364, 177140), (442, 145880), (455, 141712), (476, 135460), (520, 123998), (521, 123760), (560, 115141), (595, 108368), (680, 94822), (728, 88570), (884, 72940), (910, 70856), (952, 67730), (1040, 61999), (1042, 61880), (1105, 58352), (1190, 54184), (1360, 47411), (1456, 44285), (1547, 41680), (1768, 36470), (1820, 35428), (1904, 33865), (2084, 30940), (2210, 29176), (2380, 27092), (2605, 24752), (3094, 20840), (3536, 18235), (3640, 17714), (3647, 17680), (4168, 15470), (4420, 14588), (4760, 13546), (5210, 12376), (6188, 10420), (6773, 9520), (7280, 8857), (7294, 8840), (7735, 8336)]