69980440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 163840320

約数和(自身を除く): 93859880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 142, 164, 205, 284, 328, 355, 410, 568, 601, 710, 820, 1202, 1420, 1640, 2404, 2840, 2911, 3005, 4808, 5822, 6010, 11644, 12020, 14555, 23288, 24040, 24641, 29110, 42671, 49282, 58220, 85342, 98564, 116440, 123205, 170684, 197128, 213355, 246410, 341368, 426710, 492820, 853420, 985640, 1706840, 1749511, 3499022, 6998044, 8747555, 13996088, 17495110, 34990220, 69980440]

約数ペア:

[(1, 69980440), (2, 34990220), (4, 17495110), (5, 13996088), (8, 8747555), (10, 6998044), (20, 3499022), (40, 1749511), (41, 1706840), (71, 985640), (82, 853420), (142, 492820), (164, 426710), (205, 341368), (284, 246410), (328, 213355), (355, 197128), (410, 170684), (568, 123205), (601, 116440), (710, 98564), (820, 85342), (1202, 58220), (1420, 49282), (1640, 42671), (2404, 29110), (2840, 24641), (2911, 24040), (3005, 23288), (4808, 14555), (5822, 12020), (6010, 11644)]