66716820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12781}}^1$

素因数の和:12825

約数の個数: 72

約数和(自身を含む): 209369160

約数和(自身を除く): 142652340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 12781, 25562, 38343, 51124, 63905, 76686, 115029, 127810, 153372, 191715, 230058, 255620, 370649, 383430, 460116, 575145, 741298, 766860, 1111947, 1150290, 1482596, 1853245, 2223894, 2300580, 3335841, 3706490, 4447788, 5559735, 6671682, 7412980, 11119470, 13343364, 16679205, 22238940, 33358410, 66716820]

約数ペア:

[(1, 66716820), (2, 33358410), (3, 22238940), (4, 16679205), (5, 13343364), (6, 11119470), (9, 7412980), (10, 6671682), (12, 5559735), (15, 4447788), (18, 3706490), (20, 3335841), (29, 2300580), (30, 2223894), (36, 1853245), (45, 1482596), (58, 1150290), (60, 1111947), (87, 766860), (90, 741298), (116, 575145), (145, 460116), (174, 383430), (180, 370649), (261, 255620), (290, 230058), (348, 191715), (435, 153372), (522, 127810), (580, 115029), (870, 76686), (1044, 63905), (1305, 51124), (1740, 38343), (2610, 25562), (5220, 12781)]