256837620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{5581}}^1$

素因数の和:5665

約数の個数: 96

約数和(自身を含む): 787731840

約数和(自身を除く): 530894220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 59, 60, 65, 78, 118, 130, 156, 177, 195, 236, 260, 295, 354, 390, 590, 708, 767, 780, 885, 1180, 1534, 1770, 2301, 3068, 3540, 3835, 4602, 5581, 7670, 9204, 11162, 11505, 15340, 16743, 22324, 23010, 27905, 33486, 46020, 55810, 66972, 72553, 83715, 111620, 145106, 167430, 217659, 290212, 329279, 334860, 362765, 435318, 658558, 725530, 870636, 987837, 1088295, 1317116, 1451060, 1646395, 1975674, 2176590, 3292790, 3951348, 4280627, 4353180, 4939185, 6585580, 8561254, 9878370, 12841881, 17122508, 19756740, 21403135, 25683762, 42806270, 51367524, 64209405, 85612540, 128418810, 256837620]

約数ペア:

[(1, 256837620), (2, 128418810), (3, 85612540), (4, 64209405), (5, 51367524), (6, 42806270), (10, 25683762), (12, 21403135), (13, 19756740), (15, 17122508), (20, 12841881), (26, 9878370), (30, 8561254), (39, 6585580), (52, 4939185), (59, 4353180), (60, 4280627), (65, 3951348), (78, 3292790), (118, 2176590), (130, 1975674), (156, 1646395), (177, 1451060), (195, 1317116), (236, 1088295), (260, 987837), (295, 870636), (354, 725530), (390, 658558), (590, 435318), (708, 362765), (767, 334860), (780, 329279), (885, 290212), (1180, 217659), (1534, 167430), (1770, 145106), (2301, 111620), (3068, 83715), (3540, 72553), (3835, 66972), (4602, 55810), (5581, 46020), (7670, 33486), (9204, 27905), (11162, 23010), (11505, 22324), (15340, 16743)]