30456560

素因数分解:

$2^4\times 5^1\times {\mathrm{380707}}^1$

素因数の和:380720

約数の個数: 20

約数和(自身を含む): 70811688

約数和(自身を除く): 40355128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 380707, 761414, 1522828, 1903535, 3045656, 3807070, 6091312, 7614140, 15228280, 30456560]

約数ペア:

[(1, 30456560), (2, 15228280), (4, 7614140), (5, 6091312), (8, 3807070), (10, 3045656), (16, 1903535), (20, 1522828), (40, 761414), (80, 380707)]