78911220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1315187}}^1$

素因数の和:1315199

約数の個数: 24

約数和(自身を含む): 220951584

約数和(自身を除く): 142040364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1315187, 2630374, 3945561, 5260748, 6575935, 7891122, 13151870, 15782244, 19727805, 26303740, 39455610, 78911220]

約数ペア:

[(1, 78911220), (2, 39455610), (3, 26303740), (4, 19727805), (5, 15782244), (6, 13151870), (10, 7891122), (12, 6575935), (15, 5260748), (20, 3945561), (30, 2630374), (60, 1315187)]