82421440

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:282

約数の個数: 112

約数和(自身を含む): 211226400

約数和(自身を除く): 128804960

約数列:

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

約数ペア:

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