212358120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{691}}^1$

素因数の和:915

約数の個数: 128

約数和(自身を含む): 690560640

約数和(自身を除く): 478202520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 197, 260, 312, 390, 394, 520, 591, 691, 780, 788, 985, 1182, 1382, 1560, 1576, 1970, 2073, 2364, 2561, 2764, 2955, 3455, 3940, 4146, 4728, 5122, 5528, 5910, 6910, 7683, 7880, 8292, 8983, 10244, 10365, 11820, 12805, 13820, 15366, 16584, 17966, 20488, 20730, 23640, 25610, 26949, 27640, 30732, 35932, 38415, 41460, 44915, 51220, 53898, 61464, 71864, 76830, 82920, 89830, 102440, 107796, 134745, 136127, 153660, 179660, 215592, 269490, 272254, 307320, 359320, 408381, 538980, 544508, 680635, 816762, 1077960, 1089016, 1361270, 1633524, 1769651, 2041905, 2722540, 3267048, 3539302, 4083810, 5308953, 5445080, 7078604, 8167620, 8848255, 10617906, 14157208, 16335240, 17696510, 21235812, 26544765, 35393020, 42471624, 53089530, 70786040, 106179060, 212358120]

約数ペア:

[(1, 212358120), (2, 106179060), (3, 70786040), (4, 53089530), (5, 42471624), (6, 35393020), (8, 26544765), (10, 21235812), (12, 17696510), (13, 16335240), (15, 14157208), (20, 10617906), (24, 8848255), (26, 8167620), (30, 7078604), (39, 5445080), (40, 5308953), (52, 4083810), (60, 3539302), (65, 3267048), (78, 2722540), (104, 2041905), (120, 1769651), (130, 1633524), (156, 1361270), (195, 1089016), (197, 1077960), (260, 816762), (312, 680635), (390, 544508), (394, 538980), (520, 408381), (591, 359320), (691, 307320), (780, 272254), (788, 269490), (985, 215592), (1182, 179660), (1382, 153660), (1560, 136127), (1576, 134745), (1970, 107796), (2073, 102440), (2364, 89830), (2561, 82920), (2764, 76830), (2955, 71864), (3455, 61464), (3940, 53898), (4146, 51220), (4728, 44915), (5122, 41460), (5528, 38415), (5910, 35932), (6910, 30732), (7683, 27640), (7880, 26949), (8292, 25610), (8983, 23640), (10244, 20730), (10365, 20488), (11820, 17966), (12805, 16584), (13820, 15366)]