121268720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{313}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 294356160

約数和(自身を除く): 173087440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 167, 232, 290, 313, 334, 464, 580, 626, 668, 835, 1160, 1252, 1336, 1565, 1670, 2320, 2504, 2672, 3130, 3340, 4843, 5008, 6260, 6680, 9077, 9686, 12520, 13360, 18154, 19372, 24215, 25040, 36308, 38744, 45385, 48430, 52271, 72616, 77488, 90770, 96860, 104542, 145232, 181540, 193720, 209084, 261355, 363080, 387440, 418168, 522710, 726160, 836336, 1045420, 1515859, 2090840, 3031718, 4181680, 6063436, 7579295, 12126872, 15158590, 24253744, 30317180, 60634360, 121268720]

約数ペア:

[(1, 121268720), (2, 60634360), (4, 30317180), (5, 24253744), (8, 15158590), (10, 12126872), (16, 7579295), (20, 6063436), (29, 4181680), (40, 3031718), (58, 2090840), (80, 1515859), (116, 1045420), (145, 836336), (167, 726160), (232, 522710), (290, 418168), (313, 387440), (334, 363080), (464, 261355), (580, 209084), (626, 193720), (668, 181540), (835, 145232), (1160, 104542), (1252, 96860), (1336, 90770), (1565, 77488), (1670, 72616), (2320, 52271), (2504, 48430), (2672, 45385), (3130, 38744), (3340, 36308), (4843, 25040), (5008, 24215), (6260, 19372), (6680, 18154), (9077, 13360), (9686, 12520)]