28620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53}}^1$

素因数の和:71

約数の個数: 48

約数和(自身を含む): 90720

約数和(自身を除く): 62100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 90, 106, 108, 135, 159, 180, 212, 265, 270, 318, 477, 530, 540, 636, 795, 954, 1060, 1431, 1590, 1908, 2385, 2862, 3180, 4770, 5724, 7155, 9540, 14310, 28620]

約数ペア:

[(1, 28620), (2, 14310), (3, 9540), (4, 7155), (5, 5724), (6, 4770), (9, 3180), (10, 2862), (12, 2385), (15, 1908), (18, 1590), (20, 1431), (27, 1060), (30, 954), (36, 795), (45, 636), (53, 540), (54, 530), (60, 477), (90, 318), (106, 270), (108, 265), (135, 212), (159, 180)]