261091560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2175763}}^1$

素因数の和:2175777

約数の個数: 32

約数和(自身を含む): 783275040

約数和(自身を除く): 522183480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2175763, 4351526, 6527289, 8703052, 10878815, 13054578, 17406104, 21757630, 26109156, 32636445, 43515260, 52218312, 65272890, 87030520, 130545780, 261091560]

約数ペア:

[(1, 261091560), (2, 130545780), (3, 87030520), (4, 65272890), (5, 52218312), (6, 43515260), (8, 32636445), (10, 26109156), (12, 21757630), (15, 17406104), (20, 13054578), (24, 10878815), (30, 8703052), (40, 6527289), (60, 4351526), (120, 2175763)]