70642120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{613}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 165337920

約数和(自身を除く): 94695800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 67, 86, 134, 172, 215, 268, 335, 344, 430, 536, 613, 670, 860, 1226, 1340, 1720, 2452, 2680, 2881, 3065, 4904, 5762, 6130, 11524, 12260, 14405, 23048, 24520, 26359, 28810, 41071, 52718, 57620, 82142, 105436, 115240, 131795, 164284, 205355, 210872, 263590, 328568, 410710, 527180, 821420, 1054360, 1642840, 1766053, 3532106, 7064212, 8830265, 14128424, 17660530, 35321060, 70642120]

約数ペア:

[(1, 70642120), (2, 35321060), (4, 17660530), (5, 14128424), (8, 8830265), (10, 7064212), (20, 3532106), (40, 1766053), (43, 1642840), (67, 1054360), (86, 821420), (134, 527180), (172, 410710), (215, 328568), (268, 263590), (335, 210872), (344, 205355), (430, 164284), (536, 131795), (613, 115240), (670, 105436), (860, 82142), (1226, 57620), (1340, 52718), (1720, 41071), (2452, 28810), (2680, 26359), (2881, 24520), (3065, 23048), (4904, 14405), (5762, 12260), (6130, 11524)]