289675520

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:360

約数の個数: 144

約数和(自身を含む): 750066240

約数和(自身を除く): 460390720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 128, 152, 160, 172, 190, 215, 256, 277, 304, 320, 344, 380, 430, 554, 608, 640, 688, 760, 817, 860, 1108, 1216, 1280, 1376, 1385, 1520, 1634, 1720, 2216, 2432, 2752, 2770, 3040, 3268, 3440, 4085, 4432, 4864, 5263, 5504, 5540, 6080, 6536, 6880, 8170, 8864, 10526, 11008, 11080, 11911, 12160, 13072, 13760, 16340, 17728, 21052, 22160, 23822, 24320, 26144, 26315, 27520, 32680, 35456, 42104, 44320, 47644, 52288, 52630, 55040, 59555, 65360, 70912, 84208, 88640, 95288, 104576, 105260, 119110, 130720, 168416, 177280, 190576, 209152, 210520, 226309, 238220, 261440, 336832, 354560, 381152, 421040, 452618, 476440, 522880, 673664, 762304, 842080, 905236, 952880, 1045760, 1131545, 1347328, 1524608, 1684160, 1810472, 1905760, 2263090, 3049216, 3368320, 3620944, 3811520, 4526180, 6736640, 7241888, 7623040, 9052360, 14483776, 15246080, 18104720, 28967552, 36209440, 57935104, 72418880, 144837760, 289675520]

約数ペア:

[(1, 289675520), (2, 144837760), (4, 72418880), (5, 57935104), (8, 36209440), (10, 28967552), (16, 18104720), (19, 15246080), (20, 14483776), (32, 9052360), (38, 7623040), (40, 7241888), (43, 6736640), (64, 4526180), (76, 3811520), (80, 3620944), (86, 3368320), (95, 3049216), (128, 2263090), (152, 1905760), (160, 1810472), (172, 1684160), (190, 1524608), (215, 1347328), (256, 1131545), (277, 1045760), (304, 952880), (320, 905236), (344, 842080), (380, 762304), (430, 673664), (554, 522880), (608, 476440), (640, 452618), (688, 421040), (760, 381152), (817, 354560), (860, 336832), (1108, 261440), (1216, 238220), (1280, 226309), (1376, 210520), (1385, 209152), (1520, 190576), (1634, 177280), (1720, 168416), (2216, 130720), (2432, 119110), (2752, 105260), (2770, 104576), (3040, 95288), (3268, 88640), (3440, 84208), (4085, 70912), (4432, 65360), (4864, 59555), (5263, 55040), (5504, 52630), (5540, 52288), (6080, 47644), (6536, 44320), (6880, 42104), (8170, 35456), (8864, 32680), (10526, 27520), (11008, 26315), (11080, 26144), (11911, 24320), (12160, 23822), (13072, 22160), (13760, 21052), (16340, 17728)]