122742640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1151}}^1$

素因数の和:1238

約数の個数: 80

約数和(自身を含む): 301694976

約数和(自身を除く): 178952336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 1151, 1240, 1333, 1720, 2302, 2480, 2666, 3440, 4604, 5332, 5755, 6665, 9208, 10664, 11510, 13330, 18416, 21328, 23020, 26660, 35681, 46040, 49493, 53320, 71362, 92080, 98986, 106640, 142724, 178405, 197972, 247465, 285448, 356810, 395944, 494930, 570896, 713620, 791888, 989860, 1427240, 1534283, 1979720, 2854480, 3068566, 3959440, 6137132, 7671415, 12274264, 15342830, 24548528, 30685660, 61371320, 122742640]

約数ペア:

[(1, 122742640), (2, 61371320), (4, 30685660), (5, 24548528), (8, 15342830), (10, 12274264), (16, 7671415), (20, 6137132), (31, 3959440), (40, 3068566), (43, 2854480), (62, 1979720), (80, 1534283), (86, 1427240), (124, 989860), (155, 791888), (172, 713620), (215, 570896), (248, 494930), (310, 395944), (344, 356810), (430, 285448), (496, 247465), (620, 197972), (688, 178405), (860, 142724), (1151, 106640), (1240, 98986), (1333, 92080), (1720, 71362), (2302, 53320), (2480, 49493), (2666, 46040), (3440, 35681), (4604, 26660), (5332, 23020), (5755, 21328), (6665, 18416), (9208, 13330), (10664, 11510)]