27705660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1129}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 77834400

約数和(自身を除く): 50128740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 409, 818, 1129, 1227, 1636, 2045, 2258, 2454, 3387, 4090, 4516, 4908, 5645, 6135, 6774, 8180, 11290, 12270, 13548, 16935, 22580, 24540, 33870, 67740, 461761, 923522, 1385283, 1847044, 2308805, 2770566, 4617610, 5541132, 6926415, 9235220, 13852830, 27705660]

約数ペア:

[(1, 27705660), (2, 13852830), (3, 9235220), (4, 6926415), (5, 5541132), (6, 4617610), (10, 2770566), (12, 2308805), (15, 1847044), (20, 1385283), (30, 923522), (60, 461761), (409, 67740), (818, 33870), (1129, 24540), (1227, 22580), (1636, 16935), (2045, 13548), (2258, 12270), (2454, 11290), (3387, 8180), (4090, 6774), (4516, 6135), (4908, 5645)]