81204690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{386689}}^1$

素因数の和:386706

約数の個数: 32

約数和(自身を含む): 222733440

約数和(自身を除く): 141528750

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 386689, 773378, 1160067, 1933445, 2320134, 2706823, 3866890, 5413646, 5800335, 8120469, 11600670, 13534115, 16240938, 27068230, 40602345, 81204690]

約数ペア:

[(1, 81204690), (2, 40602345), (3, 27068230), (5, 16240938), (6, 13534115), (7, 11600670), (10, 8120469), (14, 5800335), (15, 5413646), (21, 3866890), (30, 2706823), (35, 2320134), (42, 1933445), (70, 1160067), (105, 773378), (210, 386689)]