81819960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{681833}}^1$

素因数の和:681847

約数の個数: 32

約数和(自身を含む): 245460240

約数和(自身を除く): 163640280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 681833, 1363666, 2045499, 2727332, 3409165, 4090998, 5454664, 6818330, 8181996, 10227495, 13636660, 16363992, 20454990, 27273320, 40909980, 81819960]

約数ペア:

[(1, 81819960), (2, 40909980), (3, 27273320), (4, 20454990), (5, 16363992), (6, 13636660), (8, 10227495), (10, 8181996), (12, 6818330), (15, 5454664), (20, 4090998), (24, 3409165), (30, 2727332), (40, 2045499), (60, 1363666), (120, 681833)]