40320216

素因数分解:

$2^3\times 3^2\times {\mathrm{257}}^1\times {\mathrm{2179}}^1$

素因数の和:2448

約数の個数: 48

約数和(自身を含む): 109675800

約数和(自身を除く): 69355584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 257, 514, 771, 1028, 1542, 2056, 2179, 2313, 3084, 4358, 4626, 6168, 6537, 8716, 9252, 13074, 17432, 18504, 19611, 26148, 39222, 52296, 78444, 156888, 560003, 1120006, 1680009, 2240012, 3360018, 4480024, 5040027, 6720036, 10080054, 13440072, 20160108, 40320216]

約数ペア:

[(1, 40320216), (2, 20160108), (3, 13440072), (4, 10080054), (6, 6720036), (8, 5040027), (9, 4480024), (12, 3360018), (18, 2240012), (24, 1680009), (36, 1120006), (72, 560003), (257, 156888), (514, 78444), (771, 52296), (1028, 39222), (1542, 26148), (2056, 19611), (2179, 18504), (2313, 17432), (3084, 13074), (4358, 9252), (4626, 8716), (6168, 6537)]