51016980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{121469}}^1$

素因数の和:121488

約数の個数: 48

約数和(自身を含む): 163255680

約数和(自身を除く): 112238700

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, 121469, 242938, 364407, 485876, 607345, 728814, 850283, 1214690, 1457628, 1700566, 1822035, 2429380, 2550849, 3401132, 3644070, 4251415, 5101698, 7288140, 8502830, 10203396, 12754245, 17005660, 25508490, 51016980]

約数ペア:

[(1, 51016980), (2, 25508490), (3, 17005660), (4, 12754245), (5, 10203396), (6, 8502830), (7, 7288140), (10, 5101698), (12, 4251415), (14, 3644070), (15, 3401132), (20, 2550849), (21, 2429380), (28, 1822035), (30, 1700566), (35, 1457628), (42, 1214690), (60, 850283), (70, 728814), (84, 607345), (105, 485876), (140, 364407), (210, 242938), (420, 121469)]