12990540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{216509}}^1$

素因数の和:216521

約数の個数: 24

約数和(自身を含む): 36373680

約数和(自身を除く): 23383140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 216509, 433018, 649527, 866036, 1082545, 1299054, 2165090, 2598108, 3247635, 4330180, 6495270, 12990540]

約数ペア:

[(1, 12990540), (2, 6495270), (3, 4330180), (4, 3247635), (5, 2598108), (6, 2165090), (10, 1299054), (12, 1082545), (15, 866036), (20, 649527), (30, 433018), (60, 216509)]