51365580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{122299}}^1$

素因数の和:122318

約数の個数: 48

約数和(自身を含む): 164371200

約数和(自身を除く): 113005620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 122299, 244598, 366897, 489196, 611495, 733794, 856093, 1222990, 1467588, 1712186, 1834485, 2445980, 2568279, 3424372, 3668970, 4280465, 5136558, 7337940, 8560930, 10273116, 12841395, 17121860, 25682790, 51365580]

約数ペア:

[(1, 51365580), (2, 25682790), (3, 17121860), (4, 12841395), (5, 10273116), (6, 8560930), (7, 7337940), (10, 5136558), (12, 4280465), (14, 3668970), (15, 3424372), (20, 2568279), (21, 2445980), (28, 1834485), (30, 1712186), (35, 1467588), (42, 1222990), (60, 856093), (70, 733794), (84, 611495), (105, 489196), (140, 366897), (210, 244598), (420, 122299)]