56840220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{315779}}^1$

素因数の和:315794

約数の個数: 36

約数和(自身を含む): 172415880

約数和(自身を除く): 115575660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 315779, 631558, 947337, 1263116, 1578895, 1894674, 2842011, 3157790, 3789348, 4736685, 5684022, 6315580, 9473370, 11368044, 14210055, 18946740, 28420110, 56840220]

約数ペア:

[(1, 56840220), (2, 28420110), (3, 18946740), (4, 14210055), (5, 11368044), (6, 9473370), (9, 6315580), (10, 5684022), (12, 4736685), (15, 3789348), (18, 3157790), (20, 2842011), (30, 1894674), (36, 1578895), (45, 1263116), (60, 947337), (90, 631558), (180, 315779)]