489743460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2720797}}^1$

素因数の和:2720812

約数の個数: 36

約数和(自身を含む): 1485555708

約数和(自身を除く): 995812248

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2720797, 5441594, 8162391, 10883188, 13603985, 16324782, 24487173, 27207970, 32649564, 40811955, 48974346, 54415940, 81623910, 97948692, 122435865, 163247820, 244871730, 489743460]

約数ペア:

[(1, 489743460), (2, 244871730), (3, 163247820), (4, 122435865), (5, 97948692), (6, 81623910), (9, 54415940), (10, 48974346), (12, 40811955), (15, 32649564), (18, 27207970), (20, 24487173), (30, 16324782), (36, 13603985), (45, 10883188), (60, 8162391), (90, 5441594), (180, 2720797)]