12840090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{428003}}^1$

素因数の和:428013

約数の個数: 16

約数和(自身を含む): 30816288

約数和(自身を除く): 17976198

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 428003, 856006, 1284009, 2140015, 2568018, 4280030, 6420045, 12840090]

約数ペア:

[(1, 12840090), (2, 6420045), (3, 4280030), (5, 2568018), (6, 2140015), (10, 1284009), (15, 856006), (30, 428003)]