28004220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{155579}}^1$

素因数の和:155594

約数の個数: 36

約数和(自身を含む): 84946680

約数和(自身を除く): 56942460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 155579, 311158, 466737, 622316, 777895, 933474, 1400211, 1555790, 1866948, 2333685, 2800422, 3111580, 4667370, 5600844, 7001055, 9334740, 14002110, 28004220]

約数ペア:

[(1, 28004220), (2, 14002110), (3, 9334740), (4, 7001055), (5, 5600844), (6, 4667370), (9, 3111580), (10, 2800422), (12, 2333685), (15, 1866948), (18, 1555790), (20, 1400211), (30, 933474), (36, 777895), (45, 622316), (60, 466737), (90, 311158), (180, 155579)]