90568240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{161729}}^1$

素因数の和:161749

約数の個数: 40

約数和(自身を含む): 240654240

約数和(自身を除く): 150086000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 161729, 323458, 646916, 808645, 1132103, 1293832, 1617290, 2264206, 2587664, 3234580, 4528412, 5660515, 6469160, 9056824, 11321030, 12938320, 18113648, 22642060, 45284120, 90568240]

約数ペア:

[(1, 90568240), (2, 45284120), (4, 22642060), (5, 18113648), (7, 12938320), (8, 11321030), (10, 9056824), (14, 6469160), (16, 5660515), (20, 4528412), (28, 3234580), (35, 2587664), (40, 2264206), (56, 1617290), (70, 1293832), (80, 1132103), (112, 808645), (140, 646916), (280, 323458), (560, 161729)]