51281580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{122099}}^1$

素因数の和:122118

約数の個数: 48

約数和(自身を含む): 164102400

約数和(自身を除く): 112820820

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, 122099, 244198, 366297, 488396, 610495, 732594, 854693, 1220990, 1465188, 1709386, 1831485, 2441980, 2564079, 3418772, 3662970, 4273465, 5128158, 7325940, 8546930, 10256316, 12820395, 17093860, 25640790, 51281580]

約数ペア:

[(1, 51281580), (2, 25640790), (3, 17093860), (4, 12820395), (5, 10256316), (6, 8546930), (7, 7325940), (10, 5128158), (12, 4273465), (14, 3662970), (15, 3418772), (20, 2564079), (21, 2441980), (28, 1831485), (30, 1709386), (35, 1465188), (42, 1220990), (60, 854693), (70, 732594), (84, 610495), (105, 488396), (140, 366297), (210, 244198), (420, 122099)]