168345660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{400823}}^1$

素因数の和:400842

約数の個数: 48

約数和(自身を含む): 538707456

約数和(自身を除く): 370361796

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, 400823, 801646, 1202469, 1603292, 2004115, 2404938, 2805761, 4008230, 4809876, 5611522, 6012345, 8016460, 8417283, 11223044, 12024690, 14028805, 16834566, 24049380, 28057610, 33669132, 42086415, 56115220, 84172830, 168345660]

約数ペア:

[(1, 168345660), (2, 84172830), (3, 56115220), (4, 42086415), (5, 33669132), (6, 28057610), (7, 24049380), (10, 16834566), (12, 14028805), (14, 12024690), (15, 11223044), (20, 8417283), (21, 8016460), (28, 6012345), (30, 5611522), (35, 4809876), (42, 4008230), (60, 2805761), (70, 2404938), (84, 2004115), (105, 1603292), (140, 1202469), (210, 801646), (420, 400823)]