258485440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:486

約数の個数: 112

約数和(自身を含む): 646078464

約数和(自身を除く): 387593024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 124, 142, 155, 160, 248, 284, 310, 320, 355, 367, 496, 568, 620, 710, 734, 992, 1136, 1240, 1420, 1468, 1835, 1984, 2201, 2272, 2480, 2840, 2936, 3670, 4402, 4544, 4960, 5680, 5872, 7340, 8804, 9920, 11005, 11360, 11377, 11744, 14680, 17608, 22010, 22720, 22754, 23488, 26057, 29360, 35216, 44020, 45508, 52114, 56885, 58720, 70432, 88040, 91016, 104228, 113770, 117440, 130285, 140864, 176080, 182032, 208456, 227540, 260570, 352160, 364064, 416912, 455080, 521140, 704320, 728128, 807767, 833824, 910160, 1042280, 1615534, 1667648, 1820320, 2084560, 3231068, 3640640, 4038835, 4169120, 6462136, 8077670, 8338240, 12924272, 16155340, 25848544, 32310680, 51697088, 64621360, 129242720, 258485440]

約数ペア:

[(1, 258485440), (2, 129242720), (4, 64621360), (5, 51697088), (8, 32310680), (10, 25848544), (16, 16155340), (20, 12924272), (31, 8338240), (32, 8077670), (40, 6462136), (62, 4169120), (64, 4038835), (71, 3640640), (80, 3231068), (124, 2084560), (142, 1820320), (155, 1667648), (160, 1615534), (248, 1042280), (284, 910160), (310, 833824), (320, 807767), (355, 728128), (367, 704320), (496, 521140), (568, 455080), (620, 416912), (710, 364064), (734, 352160), (992, 260570), (1136, 227540), (1240, 208456), (1420, 182032), (1468, 176080), (1835, 140864), (1984, 130285), (2201, 117440), (2272, 113770), (2480, 104228), (2840, 91016), (2936, 88040), (3670, 70432), (4402, 58720), (4544, 56885), (4960, 52114), (5680, 45508), (5872, 44020), (7340, 35216), (8804, 29360), (9920, 26057), (11005, 23488), (11360, 22754), (11377, 22720), (11744, 22010), (14680, 17608)]