81124140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1352069}}^1$

素因数の和:1352081

約数の個数: 24

約数和(自身を含む): 227147760

約数和(自身を除く): 146023620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1352069, 2704138, 4056207, 5408276, 6760345, 8112414, 13520690, 16224828, 20281035, 27041380, 40562070, 81124140]

約数ペア:

[(1, 81124140), (2, 40562070), (3, 27041380), (4, 20281035), (5, 16224828), (6, 13520690), (10, 8112414), (12, 6760345), (15, 5408276), (20, 4056207), (30, 2704138), (60, 1352069)]