81305340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1355089}}^1$

素因数の和:1355101

約数の個数: 24

約数和(自身を含む): 227655120

約数和(自身を除く): 146349780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1355089, 2710178, 4065267, 5420356, 6775445, 8130534, 13550890, 16261068, 20326335, 27101780, 40652670, 81305340]

約数ペア:

[(1, 81305340), (2, 40652670), (3, 27101780), (4, 20326335), (5, 16261068), (6, 13550890), (10, 8130534), (12, 6775445), (15, 5420356), (20, 4065267), (30, 2710178), (60, 1355089)]