171556980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{408469}}^1$

素因数の和:408488

約数の個数: 48

約数和(自身を含む): 548983680

約数和(自身を除く): 377426700

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, 408469, 816938, 1225407, 1633876, 2042345, 2450814, 2859283, 4084690, 4901628, 5718566, 6127035, 8169380, 8577849, 11437132, 12254070, 14296415, 17155698, 24508140, 28592830, 34311396, 42889245, 57185660, 85778490, 171556980]

約数ペア:

[(1, 171556980), (2, 85778490), (3, 57185660), (4, 42889245), (5, 34311396), (6, 28592830), (7, 24508140), (10, 17155698), (12, 14296415), (14, 12254070), (15, 11437132), (20, 8577849), (21, 8169380), (28, 6127035), (30, 5718566), (35, 4901628), (42, 4084690), (60, 2859283), (70, 2450814), (84, 2042345), (105, 1633876), (140, 1225407), (210, 816938), (420, 408469)]