64722840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5927}}^1$

素因数の和:5961

約数の個数: 128

約数和(自身を含む): 239016960

約数和(自身を除く): 174294120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 5927, 10920, 11854, 17781, 23708, 29635, 35562, 41489, 47416, 59270, 71124, 77051, 82978, 88905, 118540, 124467, 142248, 154102, 165956, 177810, 207445, 231153, 237080, 248934, 308204, 331912, 355620, 385255, 414890, 462306, 497868, 539357, 616408, 622335, 711240, 770510, 829780, 924612, 995736, 1078714, 1155765, 1244670, 1541020, 1618071, 1659560, 1849224, 2157428, 2311530, 2489340, 2696785, 3082040, 3236142, 4314856, 4623060, 4978680, 5393570, 6472284, 8090355, 9246120, 10787140, 12944568, 16180710, 21574280, 32361420, 64722840]

約数ペア:

[(1, 64722840), (2, 32361420), (3, 21574280), (4, 16180710), (5, 12944568), (6, 10787140), (7, 9246120), (8, 8090355), (10, 6472284), (12, 5393570), (13, 4978680), (14, 4623060), (15, 4314856), (20, 3236142), (21, 3082040), (24, 2696785), (26, 2489340), (28, 2311530), (30, 2157428), (35, 1849224), (39, 1659560), (40, 1618071), (42, 1541020), (52, 1244670), (56, 1155765), (60, 1078714), (65, 995736), (70, 924612), (78, 829780), (84, 770510), (91, 711240), (104, 622335), (105, 616408), (120, 539357), (130, 497868), (140, 462306), (156, 414890), (168, 385255), (182, 355620), (195, 331912), (210, 308204), (260, 248934), (273, 237080), (280, 231153), (312, 207445), (364, 177810), (390, 165956), (420, 154102), (455, 142248), (520, 124467), (546, 118540), (728, 88905), (780, 82978), (840, 77051), (910, 71124), (1092, 59270), (1365, 47416), (1560, 41489), (1820, 35562), (2184, 29635), (2730, 23708), (3640, 17781), (5460, 11854), (5927, 10920)]