81369240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{678077}}^1$

素因数の和:678091

約数の個数: 32

約数和(自身を含む): 244108080

約数和(自身を除く): 162738840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 678077, 1356154, 2034231, 2712308, 3390385, 4068462, 5424616, 6780770, 8136924, 10171155, 13561540, 16273848, 20342310, 27123080, 40684620, 81369240]

約数ペア:

[(1, 81369240), (2, 40684620), (3, 27123080), (4, 20342310), (5, 16273848), (6, 13561540), (8, 10171155), (10, 8136924), (12, 6780770), (15, 5424616), (20, 4068462), (24, 3390385), (30, 2712308), (40, 2034231), (60, 1356154), (120, 678077)]