81243420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1354057}}^1$

素因数の和:1354069

約数の個数: 24

約数和(自身を含む): 227481744

約数和(自身を除く): 146238324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1354057, 2708114, 4062171, 5416228, 6770285, 8124342, 13540570, 16248684, 20310855, 27081140, 40621710, 81243420]

約数ペア:

[(1, 81243420), (2, 40621710), (3, 27081140), (4, 20310855), (5, 16248684), (6, 13540570), (10, 8124342), (12, 6770285), (15, 5416228), (20, 4062171), (30, 2708114), (60, 1354057)]