159771640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{570613}}^1$

素因数の和:570631

約数の個数: 32

約数和(自身を含む): 410842080

約数和(自身を除く): 251070440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 570613, 1141226, 2282452, 2853065, 3994291, 4564904, 5706130, 7988582, 11412260, 15977164, 19971455, 22824520, 31954328, 39942910, 79885820, 159771640]

約数ペア:

[(1, 159771640), (2, 79885820), (4, 39942910), (5, 31954328), (7, 22824520), (8, 19971455), (10, 15977164), (14, 11412260), (20, 7988582), (28, 5706130), (35, 4564904), (40, 3994291), (56, 2853065), (70, 2282452), (140, 1141226), (280, 570613)]