489995640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1361099}}^1$

素因数の和:1361116

約数の個数: 48

約数和(自身を含む): 1592487000

約数和(自身を除く): 1102491360

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, 1361099, 2722198, 4083297, 5444396, 6805495, 8166594, 10888792, 12249891, 13610990, 16333188, 20416485, 24499782, 27221980, 32666376, 40832970, 48999564, 54443960, 61249455, 81665940, 97999128, 122498910, 163331880, 244997820, 489995640]

約数ペア:

[(1, 489995640), (2, 244997820), (3, 163331880), (4, 122498910), (5, 97999128), (6, 81665940), (8, 61249455), (9, 54443960), (10, 48999564), (12, 40832970), (15, 32666376), (18, 27221980), (20, 24499782), (24, 20416485), (30, 16333188), (36, 13610990), (40, 12249891), (45, 10888792), (60, 8166594), (72, 6805495), (90, 5444396), (120, 4083297), (180, 2722198), (360, 1361099)]