81720468

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{17597}}^1$

素因数の和:17653

約数の個数: 48

約数和(自身を含む): 216807360

約数和(自身を除く): 135086892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4644, 17597, 35194, 52791, 70388, 105582, 158373, 211164, 316746, 475119, 633492, 756671, 950238, 1513342, 1900476, 2270013, 3026684, 4540026, 6810039, 9080052, 13620078, 20430117, 27240156, 40860234, 81720468]

約数ペア:

[(1, 81720468), (2, 40860234), (3, 27240156), (4, 20430117), (6, 13620078), (9, 9080052), (12, 6810039), (18, 4540026), (27, 3026684), (36, 2270013), (43, 1900476), (54, 1513342), (86, 950238), (108, 756671), (129, 633492), (172, 475119), (258, 316746), (387, 211164), (516, 158373), (774, 105582), (1161, 70388), (1548, 52791), (2322, 35194), (4644, 17597)]