27558420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1123}}^1$

素因数の和:1544

約数の個数: 48

約数和(自身を含む): 77421120

約数和(自身を除く): 49862700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 409, 818, 1123, 1227, 1636, 2045, 2246, 2454, 3369, 4090, 4492, 4908, 5615, 6135, 6738, 8180, 11230, 12270, 13476, 16845, 22460, 24540, 33690, 67380, 459307, 918614, 1377921, 1837228, 2296535, 2755842, 4593070, 5511684, 6889605, 9186140, 13779210, 27558420]

約数ペア:

[(1, 27558420), (2, 13779210), (3, 9186140), (4, 6889605), (5, 5511684), (6, 4593070), (10, 2755842), (12, 2296535), (15, 1837228), (20, 1377921), (30, 918614), (60, 459307), (409, 67380), (818, 33690), (1123, 24540), (1227, 22460), (1636, 16845), (2045, 13476), (2246, 12270), (2454, 11230), (3369, 8180), (4090, 6738), (4492, 6135), (4908, 5615)]