28045620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{155809}}^1$

素因数の和:155824

約数の個数: 36

約数和(自身を含む): 85072260

約数和(自身を除く): 57026640

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 155809, 311618, 467427, 623236, 779045, 934854, 1402281, 1558090, 1869708, 2337135, 2804562, 3116180, 4674270, 5609124, 7011405, 9348540, 14022810, 28045620]

約数ペア:

[(1, 28045620), (2, 14022810), (3, 9348540), (4, 7011405), (5, 5609124), (6, 4674270), (9, 3116180), (10, 2804562), (12, 2337135), (15, 1869708), (18, 1558090), (20, 1402281), (30, 934854), (36, 779045), (45, 623236), (60, 467427), (90, 311618), (180, 155809)]