68312480

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3917}}^1$

素因数の和:4041

約数の個数: 48

約数和(自身を含む): 162910440

約数和(自身を除く): 94597960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 3917, 4360, 7834, 8720, 15668, 17440, 19585, 31336, 39170, 62672, 78340, 125344, 156680, 313360, 426953, 626720, 853906, 1707812, 2134765, 3415624, 4269530, 6831248, 8539060, 13662496, 17078120, 34156240, 68312480]

約数ペア:

[(1, 68312480), (2, 34156240), (4, 17078120), (5, 13662496), (8, 8539060), (10, 6831248), (16, 4269530), (20, 3415624), (32, 2134765), (40, 1707812), (80, 853906), (109, 626720), (160, 426953), (218, 313360), (436, 156680), (545, 125344), (872, 78340), (1090, 62672), (1744, 39170), (2180, 31336), (3488, 19585), (3917, 17440), (4360, 15668), (7834, 8720)]