13451220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{74729}}^1$

素因数の和:74744

約数の個数: 36

約数和(自身を含む): 40802580

約数和(自身を除く): 27351360

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 74729, 149458, 224187, 298916, 373645, 448374, 672561, 747290, 896748, 1120935, 1345122, 1494580, 2241870, 2690244, 3362805, 4483740, 6725610, 13451220]

約数ペア:

[(1, 13451220), (2, 6725610), (3, 4483740), (4, 3362805), (5, 2690244), (6, 2241870), (9, 1494580), (10, 1345122), (12, 1120935), (15, 896748), (18, 747290), (20, 672561), (30, 448374), (36, 373645), (45, 298916), (60, 224187), (90, 149458), (180, 74729)]