81761340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1362689}}^1$

素因数の和:1362701

約数の個数: 24

約数和(自身を含む): 228931920

約数和(自身を除く): 147170580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1362689, 2725378, 4088067, 5450756, 6813445, 8176134, 13626890, 16352268, 20440335, 27253780, 40880670, 81761340]

約数ペア:

[(1, 81761340), (2, 40880670), (3, 27253780), (4, 20440335), (5, 16352268), (6, 13626890), (10, 8176134), (12, 6813445), (15, 5450756), (20, 4088067), (30, 2725378), (60, 1362689)]