81386670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{11351}}^1$

素因数の和:11600

約数の個数: 32

約数和(自身を含む): 196162560

約数和(自身を除く): 114775890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 239, 478, 717, 1195, 1434, 2390, 3585, 7170, 11351, 22702, 34053, 56755, 68106, 113510, 170265, 340530, 2712889, 5425778, 8138667, 13564445, 16277334, 27128890, 40693335, 81386670]

約数ペア:

[(1, 81386670), (2, 40693335), (3, 27128890), (5, 16277334), (6, 13564445), (10, 8138667), (15, 5425778), (30, 2712889), (239, 340530), (478, 170265), (717, 113510), (1195, 68106), (1434, 56755), (2390, 34053), (3585, 22702), (7170, 11351)]