68832640

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:971

約数の個数: 64

約数和(自身を含む): 166011120

約数和(自身を除く): 97178480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 320, 524, 640, 655, 821, 1048, 1310, 1642, 2096, 2620, 3284, 4105, 4192, 5240, 6568, 8210, 8384, 10480, 13136, 16420, 16768, 20960, 26272, 32840, 41920, 52544, 65680, 83840, 105088, 107551, 131360, 215102, 262720, 430204, 525440, 537755, 860408, 1075510, 1720816, 2151020, 3441632, 4302040, 6883264, 8604080, 13766528, 17208160, 34416320, 68832640]

約数ペア:

[(1, 68832640), (2, 34416320), (4, 17208160), (5, 13766528), (8, 8604080), (10, 6883264), (16, 4302040), (20, 3441632), (32, 2151020), (40, 1720816), (64, 1075510), (80, 860408), (128, 537755), (131, 525440), (160, 430204), (262, 262720), (320, 215102), (524, 131360), (640, 107551), (655, 105088), (821, 83840), (1048, 65680), (1310, 52544), (1642, 41920), (2096, 32840), (2620, 26272), (3284, 20960), (4105, 16768), (4192, 16420), (5240, 13136), (6568, 10480), (8210, 8384)]