68137280

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2999}}^1$

素因数の和:3087

約数の個数: 56

約数和(自身を含む): 164592000

約数和(自身を除く): 96454720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 2999, 4544, 5680, 5998, 11360, 11996, 14995, 22720, 23992, 29990, 47984, 59980, 95968, 119960, 191936, 212929, 239920, 425858, 479840, 851716, 959680, 1064645, 1703432, 2129290, 3406864, 4258580, 6813728, 8517160, 13627456, 17034320, 34068640, 68137280]

約数ペア:

[(1, 68137280), (2, 34068640), (4, 17034320), (5, 13627456), (8, 8517160), (10, 6813728), (16, 4258580), (20, 3406864), (32, 2129290), (40, 1703432), (64, 1064645), (71, 959680), (80, 851716), (142, 479840), (160, 425858), (284, 239920), (320, 212929), (355, 191936), (568, 119960), (710, 95968), (1136, 59980), (1420, 47984), (2272, 29990), (2840, 23992), (2999, 22720), (4544, 14995), (5680, 11996), (5998, 11360)]