1231217340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{20520289}}^1$

素因数の和:20520301

約数の個数: 24

約数和(自身を含む): 3447408720

約数和(自身を除く): 2216191380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 20520289, 41040578, 61560867, 82081156, 102601445, 123121734, 205202890, 246243468, 307804335, 410405780, 615608670, 1231217340]

約数ペア:

[(1, 1231217340), (2, 615608670), (3, 410405780), (4, 307804335), (5, 246243468), (6, 205202890), (10, 123121734), (12, 102601445), (15, 82081156), (20, 61560867), (30, 41040578), (60, 20520289)]