2666366720

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:818

約数の個数: 144

約数和(自身を含む): 6677748000

約数和(自身を除く): 4011381280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 109, 116, 128, 145, 160, 218, 232, 256, 290, 320, 436, 464, 545, 580, 640, 659, 872, 928, 1090, 1160, 1280, 1318, 1744, 1856, 2180, 2320, 2636, 3161, 3295, 3488, 3712, 4360, 4640, 5272, 6322, 6590, 6976, 7424, 8720, 9280, 10544, 12644, 13180, 13952, 15805, 17440, 18560, 19111, 21088, 25288, 26360, 27904, 31610, 34880, 37120, 38222, 42176, 50576, 52720, 63220, 69760, 71831, 76444, 84352, 95555, 101152, 105440, 126440, 139520, 143662, 152888, 168704, 191110, 202304, 210880, 252880, 287324, 305776, 359155, 382220, 404608, 421760, 505760, 574648, 611552, 718310, 764440, 809216, 843520, 1011520, 1149296, 1223104, 1436620, 1528880, 2023040, 2083099, 2298592, 2446208, 2873240, 3057760, 4046080, 4166198, 4597184, 4892416, 5746480, 6115520, 8332396, 9194368, 10415495, 11492960, 12231040, 16664792, 18388736, 20830990, 22985920, 24462080, 33329584, 41661980, 45971840, 66659168, 83323960, 91943680, 133318336, 166647920, 266636672, 333295840, 533273344, 666591680, 1333183360, 2666366720]

約数ペア:

[(1, 2666366720), (2, 1333183360), (4, 666591680), (5, 533273344), (8, 333295840), (10, 266636672), (16, 166647920), (20, 133318336), (29, 91943680), (32, 83323960), (40, 66659168), (58, 45971840), (64, 41661980), (80, 33329584), (109, 24462080), (116, 22985920), (128, 20830990), (145, 18388736), (160, 16664792), (218, 12231040), (232, 11492960), (256, 10415495), (290, 9194368), (320, 8332396), (436, 6115520), (464, 5746480), (545, 4892416), (580, 4597184), (640, 4166198), (659, 4046080), (872, 3057760), (928, 2873240), (1090, 2446208), (1160, 2298592), (1280, 2083099), (1318, 2023040), (1744, 1528880), (1856, 1436620), (2180, 1223104), (2320, 1149296), (2636, 1011520), (3161, 843520), (3295, 809216), (3488, 764440), (3712, 718310), (4360, 611552), (4640, 574648), (5272, 505760), (6322, 421760), (6590, 404608), (6976, 382220), (7424, 359155), (8720, 305776), (9280, 287324), (10544, 252880), (12644, 210880), (13180, 202304), (13952, 191110), (15805, 168704), (17440, 152888), (18560, 143662), (19111, 139520), (21088, 126440), (25288, 105440), (26360, 101152), (27904, 95555), (31610, 84352), (34880, 76444), (37120, 71831), (38222, 69760), (42176, 63220), (50576, 52720)]