12796980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30469}}^1$

素因数の和:30488

約数の個数: 48

約数和(自身を含む): 40951680

約数和(自身を除く): 28154700

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, 30469, 60938, 91407, 121876, 152345, 182814, 213283, 304690, 365628, 426566, 457035, 609380, 639849, 853132, 914070, 1066415, 1279698, 1828140, 2132830, 2559396, 3199245, 4265660, 6398490, 12796980]

約数ペア:

[(1, 12796980), (2, 6398490), (3, 4265660), (4, 3199245), (5, 2559396), (6, 2132830), (7, 1828140), (10, 1279698), (12, 1066415), (14, 914070), (15, 853132), (20, 639849), (21, 609380), (28, 457035), (30, 426566), (35, 365628), (42, 304690), (60, 213283), (70, 182814), (84, 152345), (105, 121876), (140, 91407), (210, 60938), (420, 30469)]