123235640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{739}}^1$

素因数の和:1140

約数の個数: 64

約数和(自身を含む): 303696000

約数和(自身を除く): 180460360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 379, 440, 739, 758, 1478, 1516, 1895, 2956, 3032, 3695, 3790, 4169, 5912, 7390, 7580, 8129, 8338, 14780, 15160, 16258, 16676, 20845, 29560, 32516, 33352, 40645, 41690, 65032, 81290, 83380, 162580, 166760, 280081, 325160, 560162, 1120324, 1400405, 2240648, 2800810, 3080891, 5601620, 6161782, 11203240, 12323564, 15404455, 24647128, 30808910, 61617820, 123235640]

約数ペア:

[(1, 123235640), (2, 61617820), (4, 30808910), (5, 24647128), (8, 15404455), (10, 12323564), (11, 11203240), (20, 6161782), (22, 5601620), (40, 3080891), (44, 2800810), (55, 2240648), (88, 1400405), (110, 1120324), (220, 560162), (379, 325160), (440, 280081), (739, 166760), (758, 162580), (1478, 83380), (1516, 81290), (1895, 65032), (2956, 41690), (3032, 40645), (3695, 33352), (3790, 32516), (4169, 29560), (5912, 20845), (7390, 16676), (7580, 16258), (8129, 15160), (8338, 14780)]