245485280

素因数分解:

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

素因数の和:1240

約数の個数: 96

約数和(自身を含む): 613122048

約数和(自身を除く): 367636768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 80, 86, 124, 155, 160, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 992, 1151, 1240, 1333, 1376, 1720, 2302, 2480, 2666, 3440, 4604, 4960, 5332, 5755, 6665, 6880, 9208, 10664, 11510, 13330, 18416, 21328, 23020, 26660, 35681, 36832, 42656, 46040, 49493, 53320, 71362, 92080, 98986, 106640, 142724, 178405, 184160, 197972, 213280, 247465, 285448, 356810, 395944, 494930, 570896, 713620, 791888, 989860, 1141792, 1427240, 1534283, 1583776, 1979720, 2854480, 3068566, 3959440, 5708960, 6137132, 7671415, 7918880, 12274264, 15342830, 24548528, 30685660, 49097056, 61371320, 122742640, 245485280]

約数ペア:

[(1, 245485280), (2, 122742640), (4, 61371320), (5, 49097056), (8, 30685660), (10, 24548528), (16, 15342830), (20, 12274264), (31, 7918880), (32, 7671415), (40, 6137132), (43, 5708960), (62, 3959440), (80, 3068566), (86, 2854480), (124, 1979720), (155, 1583776), (160, 1534283), (172, 1427240), (215, 1141792), (248, 989860), (310, 791888), (344, 713620), (430, 570896), (496, 494930), (620, 395944), (688, 356810), (860, 285448), (992, 247465), (1151, 213280), (1240, 197972), (1333, 184160), (1376, 178405), (1720, 142724), (2302, 106640), (2480, 98986), (2666, 92080), (3440, 71362), (4604, 53320), (4960, 49493), (5332, 46040), (5755, 42656), (6665, 36832), (6880, 35681), (9208, 26660), (10664, 23020), (11510, 21328), (13330, 18416)]