12991380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{216523}}^1$

素因数の和:216535

約数の個数: 24

約数和(自身を含む): 36376032

約数和(自身を除く): 23384652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 216523, 433046, 649569, 866092, 1082615, 1299138, 2165230, 2598276, 3247845, 4330460, 6495690, 12991380]

約数ペア:

[(1, 12991380), (2, 6495690), (3, 4330460), (4, 3247845), (5, 2598276), (6, 2165230), (10, 1299138), (12, 1082615), (15, 866092), (20, 649569), (30, 433046), (60, 216523)]