166423760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:636

約数の個数: 80

約数和(自身を含む): 400688640

約数和(自身を除く): 234264880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 101, 172, 202, 215, 344, 404, 430, 479, 505, 688, 808, 860, 958, 1010, 1616, 1720, 1916, 2020, 2395, 3440, 3832, 4040, 4343, 4790, 7664, 8080, 8686, 9580, 17372, 19160, 20597, 21715, 34744, 38320, 41194, 43430, 48379, 69488, 82388, 86860, 96758, 102985, 164776, 173720, 193516, 205970, 241895, 329552, 347440, 387032, 411940, 483790, 774064, 823880, 967580, 1647760, 1935160, 2080297, 3870320, 4160594, 8321188, 10401485, 16642376, 20802970, 33284752, 41605940, 83211880, 166423760]

約数ペア:

[(1, 166423760), (2, 83211880), (4, 41605940), (5, 33284752), (8, 20802970), (10, 16642376), (16, 10401485), (20, 8321188), (40, 4160594), (43, 3870320), (80, 2080297), (86, 1935160), (101, 1647760), (172, 967580), (202, 823880), (215, 774064), (344, 483790), (404, 411940), (430, 387032), (479, 347440), (505, 329552), (688, 241895), (808, 205970), (860, 193516), (958, 173720), (1010, 164776), (1616, 102985), (1720, 96758), (1916, 86860), (2020, 82388), (2395, 69488), (3440, 48379), (3832, 43430), (4040, 41194), (4343, 38320), (4790, 34744), (7664, 21715), (8080, 20597), (8686, 19160), (9580, 17372)]