678202880

素因数分解:

$2^9\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:228

約数の個数: 160

約数和(自身を含む): 1707935328

約数和(自身を除く): 1029732448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 61, 64, 80, 86, 101, 122, 128, 160, 172, 202, 215, 244, 256, 305, 320, 344, 404, 430, 488, 505, 512, 610, 640, 688, 808, 860, 976, 1010, 1220, 1280, 1376, 1616, 1720, 1952, 2020, 2440, 2560, 2623, 2752, 3232, 3440, 3904, 4040, 4343, 4880, 5246, 5504, 6161, 6464, 6880, 7808, 8080, 8686, 9760, 10492, 11008, 12322, 12928, 13115, 13760, 15616, 16160, 17372, 19520, 20984, 21715, 22016, 24644, 25856, 26230, 27520, 30805, 31232, 32320, 34744, 39040, 41968, 43430, 49288, 51712, 52460, 55040, 61610, 64640, 69488, 78080, 83936, 86860, 98576, 104920, 110080, 123220, 129280, 138976, 156160, 167872, 173720, 197152, 209840, 246440, 258560, 264923, 277952, 335744, 347440, 394304, 419680, 492880, 529846, 555904, 671488, 694880, 788608, 839360, 985760, 1059692, 1111808, 1324615, 1342976, 1389760, 1577216, 1678720, 1971520, 2119384, 2223616, 2649230, 2779520, 3154432, 3357440, 3943040, 4238768, 5298460, 5559040, 6714880, 7886080, 8477536, 10596920, 11118080, 15772160, 16955072, 21193840, 33910144, 42387680, 67820288, 84775360, 135640576, 169550720, 339101440, 678202880]

約数ペア:

[(1, 678202880), (2, 339101440), (4, 169550720), (5, 135640576), (8, 84775360), (10, 67820288), (16, 42387680), (20, 33910144), (32, 21193840), (40, 16955072), (43, 15772160), (61, 11118080), (64, 10596920), (80, 8477536), (86, 7886080), (101, 6714880), (122, 5559040), (128, 5298460), (160, 4238768), (172, 3943040), (202, 3357440), (215, 3154432), (244, 2779520), (256, 2649230), (305, 2223616), (320, 2119384), (344, 1971520), (404, 1678720), (430, 1577216), (488, 1389760), (505, 1342976), (512, 1324615), (610, 1111808), (640, 1059692), (688, 985760), (808, 839360), (860, 788608), (976, 694880), (1010, 671488), (1220, 555904), (1280, 529846), (1376, 492880), (1616, 419680), (1720, 394304), (1952, 347440), (2020, 335744), (2440, 277952), (2560, 264923), (2623, 258560), (2752, 246440), (3232, 209840), (3440, 197152), (3904, 173720), (4040, 167872), (4343, 156160), (4880, 138976), (5246, 129280), (5504, 123220), (6161, 110080), (6464, 104920), (6880, 98576), (7808, 86860), (8080, 83936), (8686, 78080), (9760, 69488), (10492, 64640), (11008, 61610), (12322, 55040), (12928, 52460), (13115, 51712), (13760, 49288), (15616, 43430), (16160, 41968), (17372, 39040), (19520, 34744), (20984, 32320), (21715, 31232), (22016, 30805), (24644, 27520), (25856, 26230)]