161629880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{237691}}^1$

素因数の和:237719

約数の個数: 32

約数和(自身を含む): 385061040

約数和(自身を除く): 223431160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 237691, 475382, 950764, 1188455, 1901528, 2376910, 4040747, 4753820, 8081494, 9507640, 16162988, 20203735, 32325976, 40407470, 80814940, 161629880]

約数ペア:

[(1, 161629880), (2, 80814940), (4, 40407470), (5, 32325976), (8, 20203735), (10, 16162988), (17, 9507640), (20, 8081494), (34, 4753820), (40, 4040747), (68, 2376910), (85, 1901528), (136, 1188455), (170, 950764), (340, 475382), (680, 237691)]