28306620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157259}}^1$

素因数の和:157274

約数の個数: 36

約数和(自身を含む): 85863960

約数和(自身を除く): 57557340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 157259, 314518, 471777, 629036, 786295, 943554, 1415331, 1572590, 1887108, 2358885, 2830662, 3145180, 4717770, 5661324, 7076655, 9435540, 14153310, 28306620]

約数ペア:

[(1, 28306620), (2, 14153310), (3, 9435540), (4, 7076655), (5, 5661324), (6, 4717770), (9, 3145180), (10, 2830662), (12, 2358885), (15, 1887108), (18, 1572590), (20, 1415331), (30, 943554), (36, 786295), (45, 629036), (60, 471777), (90, 314518), (180, 157259)]