68744680

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 159071040

約数和(自身を除く): 90326360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 113, 134, 226, 227, 268, 335, 452, 454, 536, 565, 670, 904, 908, 1130, 1135, 1340, 1816, 2260, 2270, 2680, 4520, 4540, 7571, 9080, 15142, 15209, 25651, 30284, 30418, 37855, 51302, 60568, 60836, 75710, 76045, 102604, 121672, 128255, 151420, 152090, 205208, 256510, 302840, 304180, 513020, 608360, 1026040, 1718617, 3437234, 6874468, 8593085, 13748936, 17186170, 34372340, 68744680]

約数ペア:

[(1, 68744680), (2, 34372340), (4, 17186170), (5, 13748936), (8, 8593085), (10, 6874468), (20, 3437234), (40, 1718617), (67, 1026040), (113, 608360), (134, 513020), (226, 304180), (227, 302840), (268, 256510), (335, 205208), (452, 152090), (454, 151420), (536, 128255), (565, 121672), (670, 102604), (904, 76045), (908, 75710), (1130, 60836), (1135, 60568), (1340, 51302), (1816, 37855), (2260, 30418), (2270, 30284), (2680, 25651), (4520, 15209), (4540, 15142), (7571, 9080)]