28719540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{159553}}^1$

素因数の和:159568

約数の個数: 36

約数和(自身を含む): 87116484

約数和(自身を除く): 58396944

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 159553, 319106, 478659, 638212, 797765, 957318, 1435977, 1595530, 1914636, 2393295, 2871954, 3191060, 4786590, 5743908, 7179885, 9573180, 14359770, 28719540]

約数ペア:

[(1, 28719540), (2, 14359770), (3, 9573180), (4, 7179885), (5, 5743908), (6, 4786590), (9, 3191060), (10, 2871954), (12, 2393295), (15, 1914636), (18, 1595530), (20, 1435977), (30, 957318), (36, 797765), (45, 638212), (60, 478659), (90, 319106), (180, 159553)]