81645780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1360763}}^1$

素因数の和:1360775

約数の個数: 24

約数和(自身を含む): 228608352

約数和(自身を除く): 146962572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1360763, 2721526, 4082289, 5443052, 6803815, 8164578, 13607630, 16329156, 20411445, 27215260, 40822890, 81645780]

約数ペア:

[(1, 81645780), (2, 40822890), (3, 27215260), (4, 20411445), (5, 16329156), (6, 13607630), (10, 8164578), (12, 6803815), (15, 5443052), (20, 4082289), (30, 2721526), (60, 1360763)]