68416640

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2017}}^1$

素因数の和:2089

約数の個数: 64

約数和(自身を含む): 166727160

約数和(自身を除く): 98310520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2017, 2120, 3392, 4034, 4240, 6784, 8068, 8480, 10085, 16136, 16960, 20170, 32272, 33920, 40340, 64544, 80680, 106901, 129088, 161360, 213802, 258176, 322720, 427604, 534505, 645440, 855208, 1069010, 1290880, 1710416, 2138020, 3420832, 4276040, 6841664, 8552080, 13683328, 17104160, 34208320, 68416640]

約数ペア:

[(1, 68416640), (2, 34208320), (4, 17104160), (5, 13683328), (8, 8552080), (10, 6841664), (16, 4276040), (20, 3420832), (32, 2138020), (40, 1710416), (53, 1290880), (64, 1069010), (80, 855208), (106, 645440), (128, 534505), (160, 427604), (212, 322720), (265, 258176), (320, 213802), (424, 161360), (530, 129088), (640, 106901), (848, 80680), (1060, 64544), (1696, 40340), (2017, 33920), (2120, 32272), (3392, 20170), (4034, 16960), (4240, 16136), (6784, 10085), (8068, 8480)]