64639120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{683}}^1$

素因数の和:729

約数の個数: 120

約数和(自身を含む): 186255936

約数和(自身を除く): 121616816

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 169, 182, 208, 260, 280, 338, 364, 455, 520, 560, 676, 683, 728, 845, 910, 1040, 1183, 1352, 1366, 1456, 1690, 1820, 2366, 2704, 2732, 3380, 3415, 3640, 4732, 4781, 5464, 5915, 6760, 6830, 7280, 8879, 9464, 9562, 10928, 11830, 13520, 13660, 17758, 18928, 19124, 23660, 23905, 27320, 35516, 38248, 44395, 47320, 47810, 54640, 62153, 71032, 76496, 88790, 94640, 95620, 115427, 124306, 142064, 177580, 191240, 230854, 248612, 310765, 355160, 382480, 461708, 497224, 577135, 621530, 710320, 807989, 923416, 994448, 1154270, 1243060, 1615978, 1846832, 2308540, 2486120, 3231956, 4039945, 4617080, 4972240, 6463912, 8079890, 9234160, 12927824, 16159780, 32319560, 64639120]

約数ペア:

[(1, 64639120), (2, 32319560), (4, 16159780), (5, 12927824), (7, 9234160), (8, 8079890), (10, 6463912), (13, 4972240), (14, 4617080), (16, 4039945), (20, 3231956), (26, 2486120), (28, 2308540), (35, 1846832), (40, 1615978), (52, 1243060), (56, 1154270), (65, 994448), (70, 923416), (80, 807989), (91, 710320), (104, 621530), (112, 577135), (130, 497224), (140, 461708), (169, 382480), (182, 355160), (208, 310765), (260, 248612), (280, 230854), (338, 191240), (364, 177580), (455, 142064), (520, 124306), (560, 115427), (676, 95620), (683, 94640), (728, 88790), (845, 76496), (910, 71032), (1040, 62153), (1183, 54640), (1352, 47810), (1366, 47320), (1456, 44395), (1690, 38248), (1820, 35516), (2366, 27320), (2704, 23905), (2732, 23660), (3380, 19124), (3415, 18928), (3640, 17758), (4732, 13660), (4781, 13520), (5464, 11830), (5915, 10928), (6760, 9562), (6830, 9464), (7280, 8879)]