64243840

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2713}}^1$

素因数の和:2769

約数の個数: 64

約数和(自身を含む): 157791960

約数和(自身を除く): 93548120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 1184, 1480, 2368, 2713, 2960, 4736, 5426, 5920, 10852, 11840, 13565, 21704, 23680, 27130, 43408, 54260, 86816, 100381, 108520, 173632, 200762, 217040, 347264, 401524, 434080, 501905, 803048, 868160, 1003810, 1606096, 1736320, 2007620, 3212192, 4015240, 6424384, 8030480, 12848768, 16060960, 32121920, 64243840]

約数ペア:

[(1, 64243840), (2, 32121920), (4, 16060960), (5, 12848768), (8, 8030480), (10, 6424384), (16, 4015240), (20, 3212192), (32, 2007620), (37, 1736320), (40, 1606096), (64, 1003810), (74, 868160), (80, 803048), (128, 501905), (148, 434080), (160, 401524), (185, 347264), (296, 217040), (320, 200762), (370, 173632), (592, 108520), (640, 100381), (740, 86816), (1184, 54260), (1480, 43408), (2368, 27130), (2713, 23680), (2960, 21704), (4736, 13565), (5426, 11840), (5920, 10852)]