156424240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{279329}}^1$

素因数の和:279349

約数の個数: 40

約数和(自身を含む): 415643040

約数和(自身を除く): 259218800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 279329, 558658, 1117316, 1396645, 1955303, 2234632, 2793290, 3910606, 4469264, 5586580, 7821212, 9776515, 11173160, 15642424, 19553030, 22346320, 31284848, 39106060, 78212120, 156424240]

約数ペア:

[(1, 156424240), (2, 78212120), (4, 39106060), (5, 31284848), (7, 22346320), (8, 19553030), (10, 15642424), (14, 11173160), (16, 9776515), (20, 7821212), (28, 5586580), (35, 4469264), (40, 3910606), (56, 2793290), (70, 2234632), (80, 1955303), (112, 1396645), (140, 1117316), (280, 558658), (560, 279329)]