129278240

素因数分解:

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

素因数の和:731

約数の個数: 144

約数和(自身を含む): 378520128

約数和(自身を除く): 249241888

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 169, 182, 208, 224, 260, 280, 338, 364, 416, 455, 520, 560, 676, 683, 728, 845, 910, 1040, 1120, 1183, 1352, 1366, 1456, 1690, 1820, 2080, 2366, 2704, 2732, 2912, 3380, 3415, 3640, 4732, 4781, 5408, 5464, 5915, 6760, 6830, 7280, 8879, 9464, 9562, 10928, 11830, 13520, 13660, 14560, 17758, 18928, 19124, 21856, 23660, 23905, 27040, 27320, 35516, 37856, 38248, 44395, 47320, 47810, 54640, 62153, 71032, 76496, 88790, 94640, 95620, 109280, 115427, 124306, 142064, 152992, 177580, 189280, 191240, 230854, 248612, 284128, 310765, 355160, 382480, 461708, 497224, 577135, 621530, 710320, 764960, 807989, 923416, 994448, 1154270, 1243060, 1420640, 1615978, 1846832, 1988896, 2308540, 2486120, 3231956, 3693664, 4039945, 4617080, 4972240, 6463912, 8079890, 9234160, 9944480, 12927824, 16159780, 18468320, 25855648, 32319560, 64639120, 129278240]

約数ペア:

[(1, 129278240), (2, 64639120), (4, 32319560), (5, 25855648), (7, 18468320), (8, 16159780), (10, 12927824), (13, 9944480), (14, 9234160), (16, 8079890), (20, 6463912), (26, 4972240), (28, 4617080), (32, 4039945), (35, 3693664), (40, 3231956), (52, 2486120), (56, 2308540), (65, 1988896), (70, 1846832), (80, 1615978), (91, 1420640), (104, 1243060), (112, 1154270), (130, 994448), (140, 923416), (160, 807989), (169, 764960), (182, 710320), (208, 621530), (224, 577135), (260, 497224), (280, 461708), (338, 382480), (364, 355160), (416, 310765), (455, 284128), (520, 248612), (560, 230854), (676, 191240), (683, 189280), (728, 177580), (845, 152992), (910, 142064), (1040, 124306), (1120, 115427), (1183, 109280), (1352, 95620), (1366, 94640), (1456, 88790), (1690, 76496), (1820, 71032), (2080, 62153), (2366, 54640), (2704, 47810), (2732, 47320), (2912, 44395), (3380, 38248), (3415, 37856), (3640, 35516), (4732, 27320), (4781, 27040), (5408, 23905), (5464, 23660), (5915, 21856), (6760, 19124), (6830, 18928), (7280, 17758), (8879, 14560), (9464, 13660), (9562, 13520), (10928, 11830)]