133266680

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 306633600

約数和(自身を除く): 173366920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 181, 233, 316, 362, 395, 466, 632, 724, 790, 905, 932, 1165, 1448, 1580, 1810, 1864, 2330, 3160, 3620, 4660, 7240, 9320, 14299, 18407, 28598, 36814, 42173, 57196, 71495, 73628, 84346, 92035, 114392, 142990, 147256, 168692, 184070, 210865, 285980, 337384, 368140, 421730, 571960, 736280, 843460, 1686920, 3331667, 6663334, 13326668, 16658335, 26653336, 33316670, 66633340, 133266680]

約数ペア:

[(1, 133266680), (2, 66633340), (4, 33316670), (5, 26653336), (8, 16658335), (10, 13326668), (20, 6663334), (40, 3331667), (79, 1686920), (158, 843460), (181, 736280), (233, 571960), (316, 421730), (362, 368140), (395, 337384), (466, 285980), (632, 210865), (724, 184070), (790, 168692), (905, 147256), (932, 142990), (1165, 114392), (1448, 92035), (1580, 84346), (1810, 73628), (1864, 71495), (2330, 57196), (3160, 42173), (3620, 36814), (4660, 28598), (7240, 18407), (9320, 14299)]