81309240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{225859}}^1$

素因数の和:225876

約数の個数: 48

約数和(自身を含む): 264256200

約数和(自身を除く): 182946960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 225859, 451718, 677577, 903436, 1129295, 1355154, 1806872, 2032731, 2258590, 2710308, 3387885, 4065462, 4517180, 5420616, 6775770, 8130924, 9034360, 10163655, 13551540, 16261848, 20327310, 27103080, 40654620, 81309240]

約数ペア:

[(1, 81309240), (2, 40654620), (3, 27103080), (4, 20327310), (5, 16261848), (6, 13551540), (8, 10163655), (9, 9034360), (10, 8130924), (12, 6775770), (15, 5420616), (18, 4517180), (20, 4065462), (24, 3387885), (30, 2710308), (36, 2258590), (40, 2032731), (45, 1806872), (60, 1355154), (72, 1129295), (90, 903436), (120, 677577), (180, 451718), (360, 225859)]