81496620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{452759}}^1$

素因数の和:452774

約数の個数: 36

約数和(自身を含む): 247206960

約数和(自身を除く): 165710340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 452759, 905518, 1358277, 1811036, 2263795, 2716554, 4074831, 4527590, 5433108, 6791385, 8149662, 9055180, 13582770, 16299324, 20374155, 27165540, 40748310, 81496620]

約数ペア:

[(1, 81496620), (2, 40748310), (3, 27165540), (4, 20374155), (5, 16299324), (6, 13582770), (9, 9055180), (10, 8149662), (12, 6791385), (15, 5433108), (18, 4527590), (20, 4074831), (30, 2716554), (36, 2263795), (45, 1811036), (60, 1358277), (90, 905518), (180, 452759)]