1978740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{10993}}^1$

素因数の和:11008

約数の個数: 36

約数和(自身を含む): 6002724

約数和(自身を除く): 4023984

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 10993, 21986, 32979, 43972, 54965, 65958, 98937, 109930, 131916, 164895, 197874, 219860, 329790, 395748, 494685, 659580, 989370, 1978740]

約数ペア:

[(1, 1978740), (2, 989370), (3, 659580), (4, 494685), (5, 395748), (6, 329790), (9, 219860), (10, 197874), (12, 164895), (15, 131916), (18, 109930), (20, 98937), (30, 65958), (36, 54965), (45, 43972), (60, 32979), (90, 21986), (180, 10993)]