156895480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{560341}}^1$

素因数の和:560359

約数の個数: 32

約数和(自身を含む): 403446240

約数和(自身を除く): 246550760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 560341, 1120682, 2241364, 2801705, 3922387, 4482728, 5603410, 7844774, 11206820, 15689548, 19611935, 22413640, 31379096, 39223870, 78447740, 156895480]

約数ペア:

[(1, 156895480), (2, 78447740), (4, 39223870), (5, 31379096), (7, 22413640), (8, 19611935), (10, 15689548), (14, 11206820), (20, 7844774), (28, 5603410), (35, 4482728), (40, 3922387), (56, 2801705), (70, 2241364), (140, 1120682), (280, 560341)]