81240072

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{78721}}^1$

素因数の和:78773

約数の個数: 32

約数和(自身を含む): 207826080

約数和(自身を除く): 126586008

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 78721, 157442, 236163, 314884, 472326, 629768, 944652, 1889304, 3385003, 6770006, 10155009, 13540012, 20310018, 27080024, 40620036, 81240072]

約数ペア:

[(1, 81240072), (2, 40620036), (3, 27080024), (4, 20310018), (6, 13540012), (8, 10155009), (12, 6770006), (24, 3385003), (43, 1889304), (86, 944652), (129, 629768), (172, 472326), (258, 314884), (344, 236163), (516, 157442), (1032, 78721)]