1219265280

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{971}}^1$

素因数の和:1107

約数の個数: 216

約数和(自身を含む): 4261617360

約数和(自身を除く): 3042352080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 109, 120, 128, 144, 160, 180, 192, 218, 240, 256, 288, 320, 327, 360, 384, 436, 480, 545, 576, 640, 654, 720, 768, 872, 960, 971, 981, 1090, 1152, 1280, 1308, 1440, 1635, 1744, 1920, 1942, 1962, 2180, 2304, 2616, 2880, 2913, 3270, 3488, 3840, 3884, 3924, 4360, 4855, 4905, 5232, 5760, 5826, 6540, 6976, 7768, 7848, 8720, 8739, 9710, 9810, 10464, 11520, 11652, 13080, 13952, 14565, 15536, 15696, 17440, 17478, 19420, 19620, 20928, 23304, 26160, 27904, 29130, 31072, 31392, 34880, 34956, 38840, 39240, 41856, 43695, 46608, 52320, 58260, 62144, 62784, 69760, 69912, 77680, 78480, 83712, 87390, 93216, 104640, 105839, 116520, 124288, 125568, 139520, 139824, 155360, 156960, 174780, 186432, 209280, 211678, 233040, 248576, 251136, 279648, 310720, 313920, 317517, 349560, 372864, 418560, 423356, 466080, 529195, 559296, 621440, 627840, 635034, 699120, 745728, 846712, 932160, 952551, 1058390, 1118592, 1242880, 1255680, 1270068, 1398240, 1587585, 1693424, 1864320, 1905102, 2116780, 2237184, 2540136, 2796480, 3175170, 3386848, 3728640, 3810204, 4233560, 4762755, 5080272, 5592960, 6350340, 6773696, 7620408, 8467120, 9525510, 10160544, 11185920, 12700680, 13547392, 15240816, 16934240, 19051020, 20321088, 25401360, 27094784, 30481632, 33868480, 38102040, 40642176, 50802720, 60963264, 67736960, 76204080, 81284352, 101605440, 121926528, 135473920, 152408160, 203210880, 243853056, 304816320, 406421760, 609632640, 1219265280]

約数ペア:

[(1, 1219265280), (2, 609632640), (3, 406421760), (4, 304816320), (5, 243853056), (6, 203210880), (8, 152408160), (9, 135473920), (10, 121926528), (12, 101605440), (15, 81284352), (16, 76204080), (18, 67736960), (20, 60963264), (24, 50802720), (30, 40642176), (32, 38102040), (36, 33868480), (40, 30481632), (45, 27094784), (48, 25401360), (60, 20321088), (64, 19051020), (72, 16934240), (80, 15240816), (90, 13547392), (96, 12700680), (109, 11185920), (120, 10160544), (128, 9525510), (144, 8467120), (160, 7620408), (180, 6773696), (192, 6350340), (218, 5592960), (240, 5080272), (256, 4762755), (288, 4233560), (320, 3810204), (327, 3728640), (360, 3386848), (384, 3175170), (436, 2796480), (480, 2540136), (545, 2237184), (576, 2116780), (640, 1905102), (654, 1864320), (720, 1693424), (768, 1587585), (872, 1398240), (960, 1270068), (971, 1255680), (981, 1242880), (1090, 1118592), (1152, 1058390), (1280, 952551), (1308, 932160), (1440, 846712), (1635, 745728), (1744, 699120), (1920, 635034), (1942, 627840), (1962, 621440), (2180, 559296), (2304, 529195), (2616, 466080), (2880, 423356), (2913, 418560), (3270, 372864), (3488, 349560), (3840, 317517), (3884, 313920), (3924, 310720), (4360, 279648), (4855, 251136), (4905, 248576), (5232, 233040), (5760, 211678), (5826, 209280), (6540, 186432), (6976, 174780), (7768, 156960), (7848, 155360), (8720, 139824), (8739, 139520), (9710, 125568), (9810, 124288), (10464, 116520), (11520, 105839), (11652, 104640), (13080, 93216), (13952, 87390), (14565, 83712), (15536, 78480), (15696, 77680), (17440, 69912), (17478, 69760), (19420, 62784), (19620, 62144), (20928, 58260), (23304, 52320), (26160, 46608), (27904, 43695), (29130, 41856), (31072, 39240), (31392, 38840), (34880, 34956)]