1284420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21407}}^1$

素因数の和:21419

約数の個数: 24

約数和(自身を含む): 3596544

約数和(自身を除く): 2312124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21407, 42814, 64221, 85628, 107035, 128442, 214070, 256884, 321105, 428140, 642210, 1284420]

約数ペア:

[(1, 1284420), (2, 642210), (3, 428140), (4, 321105), (5, 256884), (6, 214070), (10, 128442), (12, 107035), (15, 85628), (20, 64221), (30, 42814), (60, 21407)]