254426640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81547}}^1$

素因数の和:81576

約数の個数: 80

約数和(自身を含む): 849403968

約数和(自身を除く): 594977328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 81547, 163094, 244641, 326188, 407735, 489282, 652376, 815470, 978564, 1060111, 1223205, 1304752, 1630940, 1957128, 2120222, 2446410, 3180333, 3261880, 3914256, 4240444, 4892820, 5300555, 6360666, 6523760, 8480888, 9785640, 10601110, 12721332, 15901665, 16961776, 19571280, 21202220, 25442664, 31803330, 42404440, 50885328, 63606660, 84808880, 127213320, 254426640]

約数ペア:

[(1, 254426640), (2, 127213320), (3, 84808880), (4, 63606660), (5, 50885328), (6, 42404440), (8, 31803330), (10, 25442664), (12, 21202220), (13, 19571280), (15, 16961776), (16, 15901665), (20, 12721332), (24, 10601110), (26, 9785640), (30, 8480888), (39, 6523760), (40, 6360666), (48, 5300555), (52, 4892820), (60, 4240444), (65, 3914256), (78, 3261880), (80, 3180333), (104, 2446410), (120, 2120222), (130, 1957128), (156, 1630940), (195, 1304752), (208, 1223205), (240, 1060111), (260, 978564), (312, 815470), (390, 652376), (520, 489282), (624, 407735), (780, 326188), (1040, 244641), (1560, 163094), (3120, 81547)]