81816870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{11411}}^1$

素因数の和:11660

約数の個数: 32

約数和(自身を含む): 197199360

約数和(自身を除く): 115382490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 239, 478, 717, 1195, 1434, 2390, 3585, 7170, 11411, 22822, 34233, 57055, 68466, 114110, 171165, 342330, 2727229, 5454458, 8181687, 13636145, 16363374, 27272290, 40908435, 81816870]

約数ペア:

[(1, 81816870), (2, 40908435), (3, 27272290), (5, 16363374), (6, 13636145), (10, 8181687), (15, 5454458), (30, 2727229), (239, 342330), (478, 171165), (717, 114110), (1195, 68466), (1434, 57055), (2390, 34233), (3585, 22822), (7170, 11411)]