81994620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1366577}}^1$

素因数の和:1366589

約数の個数: 24

約数和(自身を含む): 229585104

約数和(自身を除く): 147590484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1366577, 2733154, 4099731, 5466308, 6832885, 8199462, 13665770, 16398924, 20498655, 27331540, 40997310, 81994620]

約数ペア:

[(1, 81994620), (2, 40997310), (3, 27331540), (4, 20498655), (5, 16398924), (6, 13665770), (10, 8199462), (12, 6832885), (15, 5466308), (20, 4099731), (30, 2733154), (60, 1366577)]