81124380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{450691}}^1$

素因数の和:450706

約数の個数: 36

約数和(自身を含む): 246077832

約数和(自身を除く): 164953452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 450691, 901382, 1352073, 1802764, 2253455, 2704146, 4056219, 4506910, 5408292, 6760365, 8112438, 9013820, 13520730, 16224876, 20281095, 27041460, 40562190, 81124380]

約数ペア:

[(1, 81124380), (2, 40562190), (3, 27041460), (4, 20281095), (5, 16224876), (6, 13520730), (9, 9013820), (10, 8112438), (12, 6760365), (15, 5408292), (18, 4506910), (20, 4056219), (30, 2704146), (36, 2253455), (45, 1802764), (60, 1352073), (90, 901382), (180, 450691)]