80427690

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{127663}}^1$

素因数の和:127683

約数の個数: 48

約数和(自身を含む): 238987008

約数和(自身を除く): 158559318

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 127663, 255326, 382989, 638315, 765978, 893641, 1148967, 1276630, 1787282, 1914945, 2297934, 2680923, 3829890, 4468205, 5361846, 5744835, 8042769, 8936410, 11489670, 13404615, 16085538, 26809230, 40213845, 80427690]

約数ペア:

[(1, 80427690), (2, 40213845), (3, 26809230), (5, 16085538), (6, 13404615), (7, 11489670), (9, 8936410), (10, 8042769), (14, 5744835), (15, 5361846), (18, 4468205), (21, 3829890), (30, 2680923), (35, 2297934), (42, 1914945), (45, 1787282), (63, 1276630), (70, 1148967), (90, 893641), (105, 765978), (126, 638315), (210, 382989), (315, 255326), (630, 127663)]