68565560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{244877}}^1$

素因数の和:244895

約数の個数: 32

約数和(自身を含む): 176312160

約数和(自身を除く): 107746600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 244877, 489754, 979508, 1224385, 1714139, 1959016, 2448770, 3428278, 4897540, 6856556, 8570695, 9795080, 13713112, 17141390, 34282780, 68565560]

約数ペア:

[(1, 68565560), (2, 34282780), (4, 17141390), (5, 13713112), (7, 9795080), (8, 8570695), (10, 6856556), (14, 4897540), (20, 3428278), (28, 2448770), (35, 1959016), (40, 1714139), (56, 1224385), (70, 979508), (140, 489754), (280, 244877)]