181329280

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:672

約数の個数: 128

約数和(自身を含む): 484704000

約数和(自身を除く): 303374720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 64, 80, 86, 88, 110, 128, 160, 172, 176, 215, 220, 320, 344, 352, 430, 440, 473, 599, 640, 688, 704, 860, 880, 946, 1198, 1376, 1408, 1720, 1760, 1892, 2365, 2396, 2752, 2995, 3440, 3520, 3784, 4730, 4792, 5504, 5990, 6589, 6880, 7040, 7568, 9460, 9584, 11980, 13178, 13760, 15136, 18920, 19168, 23960, 25757, 26356, 27520, 30272, 32945, 37840, 38336, 47920, 51514, 52712, 60544, 65890, 75680, 76672, 95840, 103028, 105424, 128785, 131780, 151360, 191680, 206056, 210848, 257570, 263560, 283327, 302720, 383360, 412112, 421696, 515140, 527120, 566654, 824224, 843392, 1030280, 1054240, 1133308, 1416635, 1648448, 2060560, 2108480, 2266616, 2833270, 3296896, 4121120, 4216960, 4533232, 5666540, 8242240, 9066464, 11333080, 16484480, 18132928, 22666160, 36265856, 45332320, 90664640, 181329280]

約数ペア:

[(1, 181329280), (2, 90664640), (4, 45332320), (5, 36265856), (8, 22666160), (10, 18132928), (11, 16484480), (16, 11333080), (20, 9066464), (22, 8242240), (32, 5666540), (40, 4533232), (43, 4216960), (44, 4121120), (55, 3296896), (64, 2833270), (80, 2266616), (86, 2108480), (88, 2060560), (110, 1648448), (128, 1416635), (160, 1133308), (172, 1054240), (176, 1030280), (215, 843392), (220, 824224), (320, 566654), (344, 527120), (352, 515140), (430, 421696), (440, 412112), (473, 383360), (599, 302720), (640, 283327), (688, 263560), (704, 257570), (860, 210848), (880, 206056), (946, 191680), (1198, 151360), (1376, 131780), (1408, 128785), (1720, 105424), (1760, 103028), (1892, 95840), (2365, 76672), (2396, 75680), (2752, 65890), (2995, 60544), (3440, 52712), (3520, 51514), (3784, 47920), (4730, 38336), (4792, 37840), (5504, 32945), (5990, 30272), (6589, 27520), (6880, 26356), (7040, 25757), (7568, 23960), (9460, 19168), (9584, 18920), (11980, 15136), (13178, 13760)]