1257780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{20963}}^1$

素因数の和:20975

約数の個数: 24

約数和(自身を含む): 3521952

約数和(自身を除く): 2264172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 20963, 41926, 62889, 83852, 104815, 125778, 209630, 251556, 314445, 419260, 628890, 1257780]

約数ペア:

[(1, 1257780), (2, 628890), (3, 419260), (4, 314445), (5, 251556), (6, 209630), (10, 125778), (12, 104815), (15, 83852), (20, 62889), (30, 41926), (60, 20963)]