265286840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2351}}^1$

素因数の和:2413

約数の個数: 128

約数和(自身を含む): 758661120

約数和(自身を除く): 493374280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2351, 2821, 3224, 3640, 4030, 4340, 4702, 5642, 8060, 8680, 9404, 11284, 11755, 14105, 16120, 16457, 18808, 22568, 23510, 28210, 30563, 32914, 47020, 56420, 61126, 65828, 72881, 82285, 94040, 112840, 122252, 131656, 145762, 152815, 164570, 213941, 244504, 291524, 305630, 329140, 364405, 427882, 510167, 583048, 611260, 658280, 728810, 855764, 947453, 1020334, 1069705, 1222520, 1457620, 1711528, 1894906, 2040668, 2139410, 2550835, 2915240, 3789812, 4081336, 4278820, 4737265, 5101670, 6632171, 7579624, 8557640, 9474530, 10203340, 13264342, 18949060, 20406680, 26528684, 33160855, 37898120, 53057368, 66321710, 132643420, 265286840]

約数ペア:

[(1, 265286840), (2, 132643420), (4, 66321710), (5, 53057368), (7, 37898120), (8, 33160855), (10, 26528684), (13, 20406680), (14, 18949060), (20, 13264342), (26, 10203340), (28, 9474530), (31, 8557640), (35, 7579624), (40, 6632171), (52, 5101670), (56, 4737265), (62, 4278820), (65, 4081336), (70, 3789812), (91, 2915240), (104, 2550835), (124, 2139410), (130, 2040668), (140, 1894906), (155, 1711528), (182, 1457620), (217, 1222520), (248, 1069705), (260, 1020334), (280, 947453), (310, 855764), (364, 728810), (403, 658280), (434, 611260), (455, 583048), (520, 510167), (620, 427882), (728, 364405), (806, 329140), (868, 305630), (910, 291524), (1085, 244504), (1240, 213941), (1612, 164570), (1736, 152815), (1820, 145762), (2015, 131656), (2170, 122252), (2351, 112840), (2821, 94040), (3224, 82285), (3640, 72881), (4030, 65828), (4340, 61126), (4702, 56420), (5642, 47020), (8060, 32914), (8680, 30563), (9404, 28210), (11284, 23510), (11755, 22568), (14105, 18808), (16120, 16457)]