13811220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{277}}^2$

素因数の和:569

約数の個数: 54

約数和(自身を含む): 42045822

約数和(自身を除く): 28234602

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 277, 554, 831, 1108, 1385, 1662, 2493, 2770, 3324, 4155, 4986, 5540, 8310, 9972, 12465, 16620, 24930, 49860, 76729, 153458, 230187, 306916, 383645, 460374, 690561, 767290, 920748, 1150935, 1381122, 1534580, 2301870, 2762244, 3452805, 4603740, 6905610, 13811220]

約数ペア:

[(1, 13811220), (2, 6905610), (3, 4603740), (4, 3452805), (5, 2762244), (6, 2301870), (9, 1534580), (10, 1381122), (12, 1150935), (15, 920748), (18, 767290), (20, 690561), (30, 460374), (36, 383645), (45, 306916), (60, 230187), (90, 153458), (180, 76729), (277, 49860), (554, 24930), (831, 16620), (1108, 12465), (1385, 9972), (1662, 8310), (2493, 5540), (2770, 4986), (3324, 4155)]