16781340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{279689}}^1$

素因数の和:279701

約数の個数: 24

約数和(自身を含む): 46987920

約数和(自身を除く): 30206580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 279689, 559378, 839067, 1118756, 1398445, 1678134, 2796890, 3356268, 4195335, 5593780, 8390670, 16781340]

約数ペア:

[(1, 16781340), (2, 8390670), (3, 5593780), (4, 4195335), (5, 3356268), (6, 2796890), (10, 1678134), (12, 1398445), (15, 1118756), (20, 839067), (30, 559378), (60, 279689)]