256162920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5297}}^1$

素因数の和:5355

約数の個数: 128

約数和(自身を含む): 854461440

約数和(自身を除く): 598298520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 5297, 6045, 8060, 9672, 10594, 12090, 15891, 16120, 21188, 24180, 26485, 31782, 42376, 48360, 52970, 63564, 68861, 79455, 105940, 127128, 137722, 158910, 164207, 206583, 211880, 275444, 317820, 328414, 344305, 413166, 492621, 550888, 635640, 656828, 688610, 821035, 826332, 985242, 1032915, 1313656, 1377220, 1642070, 1652664, 1970484, 2065830, 2134691, 2463105, 2754440, 3284140, 3940968, 4131660, 4269382, 4926210, 6404073, 6568280, 8263320, 8538764, 9852420, 10673455, 12808146, 17077528, 19704840, 21346910, 25616292, 32020365, 42693820, 51232584, 64040730, 85387640, 128081460, 256162920]

約数ペア:

[(1, 256162920), (2, 128081460), (3, 85387640), (4, 64040730), (5, 51232584), (6, 42693820), (8, 32020365), (10, 25616292), (12, 21346910), (13, 19704840), (15, 17077528), (20, 12808146), (24, 10673455), (26, 9852420), (30, 8538764), (31, 8263320), (39, 6568280), (40, 6404073), (52, 4926210), (60, 4269382), (62, 4131660), (65, 3940968), (78, 3284140), (93, 2754440), (104, 2463105), (120, 2134691), (124, 2065830), (130, 1970484), (155, 1652664), (156, 1642070), (186, 1377220), (195, 1313656), (248, 1032915), (260, 985242), (310, 826332), (312, 821035), (372, 688610), (390, 656828), (403, 635640), (465, 550888), (520, 492621), (620, 413166), (744, 344305), (780, 328414), (806, 317820), (930, 275444), (1209, 211880), (1240, 206583), (1560, 164207), (1612, 158910), (1860, 137722), (2015, 127128), (2418, 105940), (3224, 79455), (3720, 68861), (4030, 63564), (4836, 52970), (5297, 48360), (6045, 42376), (8060, 31782), (9672, 26485), (10594, 24180), (12090, 21188), (15891, 16120)]