20161521840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2879}}^1\times {\mathrm{29179}}^1$

素因数の和:32074

約数の個数: 80

約数和(自身を含む): 62524569600

約数和(自身を除く): 42363047760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2879, 5758, 8637, 11516, 14395, 17274, 23032, 28790, 29179, 34548, 43185, 46064, 57580, 58358, 69096, 86370, 87537, 115160, 116716, 138192, 145895, 172740, 175074, 230320, 233432, 291790, 345480, 350148, 437685, 466864, 583580, 690960, 700296, 875370, 1167160, 1400592, 1750740, 2334320, 3501480, 7002960, 84006341, 168012682, 252019023, 336025364, 420031705, 504038046, 672050728, 840063410, 1008076092, 1260095115, 1344101456, 1680126820, 2016152184, 2520190230, 3360253640, 4032304368, 5040380460, 6720507280, 10080760920, 20161521840]

約数ペア:

[(1, 20161521840), (2, 10080760920), (3, 6720507280), (4, 5040380460), (5, 4032304368), (6, 3360253640), (8, 2520190230), (10, 2016152184), (12, 1680126820), (15, 1344101456), (16, 1260095115), (20, 1008076092), (24, 840063410), (30, 672050728), (40, 504038046), (48, 420031705), (60, 336025364), (80, 252019023), (120, 168012682), (240, 84006341), (2879, 7002960), (5758, 3501480), (8637, 2334320), (11516, 1750740), (14395, 1400592), (17274, 1167160), (23032, 875370), (28790, 700296), (29179, 690960), (34548, 583580), (43185, 466864), (46064, 437685), (57580, 350148), (58358, 345480), (69096, 291790), (86370, 233432), (87537, 230320), (115160, 175074), (116716, 172740), (138192, 145895)]