81120660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{6863}}^1$

素因数の和:7072

約数の個数: 48

約数和(自身を含む): 228324096

約数和(自身を除く): 147203436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1970, 2364, 2955, 3940, 5910, 6863, 11820, 13726, 20589, 27452, 34315, 41178, 68630, 82356, 102945, 137260, 205890, 411780, 1352011, 2704022, 4056033, 5408044, 6760055, 8112066, 13520110, 16224132, 20280165, 27040220, 40560330, 81120660]

約数ペア:

[(1, 81120660), (2, 40560330), (3, 27040220), (4, 20280165), (5, 16224132), (6, 13520110), (10, 8112066), (12, 6760055), (15, 5408044), (20, 4056033), (30, 2704022), (60, 1352011), (197, 411780), (394, 205890), (591, 137260), (788, 102945), (985, 82356), (1182, 68630), (1970, 41178), (2364, 34315), (2955, 27452), (3940, 20589), (5910, 13726), (6863, 11820)]