7800090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{260003}}^1$

素因数の和:260013

約数の個数: 16

約数和(自身を含む): 18720288

約数和(自身を除く): 10920198

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 260003, 520006, 780009, 1300015, 1560018, 2600030, 3900045, 7800090]

約数ペア:

[(1, 7800090), (2, 3900045), (3, 2600030), (5, 1560018), (6, 1300015), (10, 780009), (15, 520006), (30, 260003)]