23640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 71280

約数和(自身を除く): 47640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3940, 4728, 5910, 7880, 11820, 23640]

約数ペア:

[(1, 23640), (2, 11820), (3, 7880), (4, 5910), (5, 4728), (6, 3940), (8, 2955), (10, 2364), (12, 1970), (15, 1576), (20, 1182), (24, 985), (30, 788), (40, 591), (60, 394), (120, 197)]