68435960

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{7537}}^1$

素因数の和:7775

約数の個数: 32

約数和(自身を含む): 154679760

約数和(自身を除く): 86243800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 7537, 9080, 15074, 30148, 37685, 60296, 75370, 150740, 301480, 1710899, 3421798, 6843596, 8554495, 13687192, 17108990, 34217980, 68435960]

約数ペア:

[(1, 68435960), (2, 34217980), (4, 17108990), (5, 13687192), (8, 8554495), (10, 6843596), (20, 3421798), (40, 1710899), (227, 301480), (454, 150740), (908, 75370), (1135, 60296), (1816, 37685), (2270, 30148), (4540, 15074), (7537, 9080)]