81889260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1364821}}^1$

素因数の和:1364833

約数の個数: 24

約数和(自身を含む): 229290096

約数和(自身を除く): 147400836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1364821, 2729642, 4094463, 5459284, 6824105, 8188926, 13648210, 16377852, 20472315, 27296420, 40944630, 81889260]

約数ペア:

[(1, 81889260), (2, 40944630), (3, 27296420), (4, 20472315), (5, 16377852), (6, 13648210), (10, 8188926), (12, 6824105), (15, 5459284), (20, 4094463), (30, 2729642), (60, 1364821)]