81005220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{450029}}^1$

素因数の和:450044

約数の個数: 36

約数和(自身を含む): 245716380

約数和(自身を除く): 164711160

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 450029, 900058, 1350087, 1800116, 2250145, 2700174, 4050261, 4500290, 5400348, 6750435, 8100522, 9000580, 13500870, 16201044, 20251305, 27001740, 40502610, 81005220]

約数ペア:

[(1, 81005220), (2, 40502610), (3, 27001740), (4, 20251305), (5, 16201044), (6, 13500870), (9, 9000580), (10, 8100522), (12, 6750435), (15, 5400348), (18, 4500290), (20, 4050261), (30, 2700174), (36, 2250145), (45, 1800116), (60, 1350087), (90, 900058), (180, 450029)]