200421720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{556727}}^1$

素因数の和:556744

約数の個数: 48

約数和(自身を含む): 651371760

約数和(自身を除く): 450950040

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, 556727, 1113454, 1670181, 2226908, 2783635, 3340362, 4453816, 5010543, 5567270, 6680724, 8350905, 10021086, 11134540, 13361448, 16701810, 20042172, 22269080, 25052715, 33403620, 40084344, 50105430, 66807240, 100210860, 200421720]

約数ペア:

[(1, 200421720), (2, 100210860), (3, 66807240), (4, 50105430), (5, 40084344), (6, 33403620), (8, 25052715), (9, 22269080), (10, 20042172), (12, 16701810), (15, 13361448), (18, 11134540), (20, 10021086), (24, 8350905), (30, 6680724), (36, 5567270), (40, 5010543), (45, 4453816), (60, 3340362), (72, 2783635), (90, 2226908), (120, 1670181), (180, 1113454), (360, 556727)]