659007680

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1019}}^1$

素因数の和:1126

約数の個数: 112

約数和(自身を含む): 1641530880

約数和(自身を除く): 982523200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 47, 64, 80, 86, 94, 160, 172, 188, 215, 235, 320, 344, 376, 430, 470, 688, 752, 860, 940, 1019, 1376, 1504, 1720, 1880, 2021, 2038, 2752, 3008, 3440, 3760, 4042, 4076, 5095, 6880, 7520, 8084, 8152, 10105, 10190, 13760, 15040, 16168, 16304, 20210, 20380, 32336, 32608, 40420, 40760, 43817, 47893, 64672, 65216, 80840, 81520, 87634, 95786, 129344, 161680, 163040, 175268, 191572, 219085, 239465, 323360, 326080, 350536, 383144, 438170, 478930, 646720, 701072, 766288, 876340, 957860, 1402144, 1532576, 1752680, 1915720, 2059399, 2804288, 3065152, 3505360, 3831440, 4118798, 7010720, 7662880, 8237596, 10296995, 14021440, 15325760, 16475192, 20593990, 32950384, 41187980, 65900768, 82375960, 131801536, 164751920, 329503840, 659007680]

約数ペア:

[(1, 659007680), (2, 329503840), (4, 164751920), (5, 131801536), (8, 82375960), (10, 65900768), (16, 41187980), (20, 32950384), (32, 20593990), (40, 16475192), (43, 15325760), (47, 14021440), (64, 10296995), (80, 8237596), (86, 7662880), (94, 7010720), (160, 4118798), (172, 3831440), (188, 3505360), (215, 3065152), (235, 2804288), (320, 2059399), (344, 1915720), (376, 1752680), (430, 1532576), (470, 1402144), (688, 957860), (752, 876340), (860, 766288), (940, 701072), (1019, 646720), (1376, 478930), (1504, 438170), (1720, 383144), (1880, 350536), (2021, 326080), (2038, 323360), (2752, 239465), (3008, 219085), (3440, 191572), (3760, 175268), (4042, 163040), (4076, 161680), (5095, 129344), (6880, 95786), (7520, 87634), (8084, 81520), (8152, 80840), (10105, 65216), (10190, 64672), (13760, 47893), (15040, 43817), (16168, 40760), (16304, 40420), (20210, 32608), (20380, 32336)]