778875780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{12981263}}^1$

素因数の和:12981275

約数の個数: 24

約数和(自身を含む): 2180852352

約数和(自身を除く): 1401976572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 12981263, 25962526, 38943789, 51925052, 64906315, 77887578, 129812630, 155775156, 194718945, 259625260, 389437890, 778875780]

約数ペア:

[(1, 778875780), (2, 389437890), (3, 259625260), (4, 194718945), (5, 155775156), (6, 129812630), (10, 77887578), (12, 64906315), (15, 51925052), (20, 38943789), (30, 25962526), (60, 12981263)]