129652020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{720289}}^1$

素因数の和:720304

約数の個数: 36

約数和(自身を含む): 393278340

約数和(自身を除く): 263626320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 720289, 1440578, 2160867, 2881156, 3601445, 4321734, 6482601, 7202890, 8643468, 10804335, 12965202, 14405780, 21608670, 25930404, 32413005, 43217340, 64826010, 129652020]

約数ペア:

[(1, 129652020), (2, 64826010), (3, 43217340), (4, 32413005), (5, 25930404), (6, 21608670), (9, 14405780), (10, 12965202), (12, 10804335), (15, 8643468), (18, 7202890), (20, 6482601), (30, 4321734), (36, 3601445), (45, 2881156), (60, 2160867), (90, 1440578), (180, 720289)]