1561859120

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{368363}}^1$

素因数の和:368429

約数の個数: 40

約数和(自身を含む): 3699848016

約数和(自身を除く): 2137988896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 368363, 736726, 1473452, 1841815, 2946904, 3683630, 5893808, 7367260, 14734520, 19523239, 29469040, 39046478, 78092956, 97616195, 156185912, 195232390, 312371824, 390464780, 780929560, 1561859120]

約数ペア:

[(1, 1561859120), (2, 780929560), (4, 390464780), (5, 312371824), (8, 195232390), (10, 156185912), (16, 97616195), (20, 78092956), (40, 39046478), (53, 29469040), (80, 19523239), (106, 14734520), (212, 7367260), (265, 5893808), (424, 3683630), (530, 2946904), (848, 1841815), (1060, 1473452), (2120, 736726), (4240, 368363)]