164842880

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:284

約数の個数: 128

約数和(自身を含む): 424116000

約数和(自身を除く): 259273120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 109, 128, 136, 139, 160, 170, 218, 272, 278, 320, 340, 436, 544, 545, 556, 640, 680, 695, 872, 1088, 1090, 1112, 1360, 1390, 1744, 1853, 2176, 2180, 2224, 2363, 2720, 2780, 3488, 3706, 4360, 4448, 4726, 5440, 5560, 6976, 7412, 8720, 8896, 9265, 9452, 10880, 11120, 11815, 13952, 14824, 15151, 17440, 17792, 18530, 18904, 22240, 23630, 29648, 30302, 34880, 37060, 37808, 44480, 47260, 59296, 60604, 69760, 74120, 75616, 75755, 88960, 94520, 118592, 121208, 148240, 151232, 151510, 189040, 237184, 242416, 257567, 296480, 302464, 303020, 378080, 484832, 515134, 592960, 606040, 756160, 969664, 1030268, 1185920, 1212080, 1287835, 1512320, 1939328, 2060536, 2424160, 2575670, 4121072, 4848320, 5151340, 8242144, 9696640, 10302680, 16484288, 20605360, 32968576, 41210720, 82421440, 164842880]

約数ペア:

[(1, 164842880), (2, 82421440), (4, 41210720), (5, 32968576), (8, 20605360), (10, 16484288), (16, 10302680), (17, 9696640), (20, 8242144), (32, 5151340), (34, 4848320), (40, 4121072), (64, 2575670), (68, 2424160), (80, 2060536), (85, 1939328), (109, 1512320), (128, 1287835), (136, 1212080), (139, 1185920), (160, 1030268), (170, 969664), (218, 756160), (272, 606040), (278, 592960), (320, 515134), (340, 484832), (436, 378080), (544, 303020), (545, 302464), (556, 296480), (640, 257567), (680, 242416), (695, 237184), (872, 189040), (1088, 151510), (1090, 151232), (1112, 148240), (1360, 121208), (1390, 118592), (1744, 94520), (1853, 88960), (2176, 75755), (2180, 75616), (2224, 74120), (2363, 69760), (2720, 60604), (2780, 59296), (3488, 47260), (3706, 44480), (4360, 37808), (4448, 37060), (4726, 34880), (5440, 30302), (5560, 29648), (6976, 23630), (7412, 22240), (8720, 18904), (8896, 18530), (9265, 17792), (9452, 17440), (10880, 15151), (11120, 14824), (11815, 13952)]