28139220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{156329}}^1$

素因数の和:156344

約数の個数: 36

約数和(自身を含む): 85356180

約数和(自身を除く): 57216960

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 156329, 312658, 468987, 625316, 781645, 937974, 1406961, 1563290, 1875948, 2344935, 2813922, 3126580, 4689870, 5627844, 7034805, 9379740, 14069610, 28139220]

約数ペア:

[(1, 28139220), (2, 14069610), (3, 9379740), (4, 7034805), (5, 5627844), (6, 4689870), (9, 3126580), (10, 2813922), (12, 2344935), (15, 1875948), (18, 1563290), (20, 1406961), (30, 937974), (36, 781645), (45, 625316), (60, 468987), (90, 312658), (180, 156329)]