1978951680

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:339

約数の個数: 288

約数和(自身を含む): 6956749800

約数和(自身を除く): 4977798120

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, 197, 218, 240, 256, 288, 320, 327, 360, 384, 394, 436, 480, 512, 545, 576, 591, 640, 654, 720, 768, 788, 872, 960, 981, 985, 1024, 1090, 1152, 1182, 1280, 1308, 1440, 1536, 1576, 1635, 1744, 1773, 1920, 1962, 1970, 2048, 2180, 2304, 2364, 2560, 2616, 2880, 2955, 3072, 3152, 3270, 3488, 3546, 3840, 3924, 3940, 4360, 4608, 4728, 4905, 5120, 5232, 5760, 5910, 6144, 6304, 6540, 6976, 7092, 7680, 7848, 7880, 8720, 8865, 9216, 9456, 9810, 10240, 10464, 11520, 11820, 12608, 13080, 13952, 14184, 15360, 15696, 15760, 17440, 17730, 18432, 18912, 19620, 20928, 21473, 23040, 23640, 25216, 26160, 27904, 28368, 30720, 31392, 31520, 34880, 35460, 37824, 39240, 41856, 42946, 46080, 47280, 50432, 52320, 55808, 56736, 62784, 63040, 64419, 69760, 70920, 75648, 78480, 83712, 85892, 92160, 94560, 100864, 104640, 107365, 111616, 113472, 125568, 126080, 128838, 139520, 141840, 151296, 156960, 167424, 171784, 189120, 193257, 201728, 209280, 214730, 223232, 226944, 251136, 252160, 257676, 279040, 283680, 302592, 313920, 322095, 334848, 343568, 378240, 386514, 403456, 418560, 429460, 453888, 502272, 504320, 515352, 558080, 567360, 605184, 627840, 644190, 669696, 687136, 756480, 773028, 837120, 858920, 907776, 966285, 1004544, 1008640, 1030704, 1116160, 1134720, 1210368, 1255680, 1288380, 1374272, 1512960, 1546056, 1674240, 1717840, 1815552, 1932570, 2009088, 2017280, 2061408, 2269440, 2511360, 2576760, 2748544, 3025920, 3092112, 3348480, 3435680, 3631104, 3865140, 4122816, 4538880, 5022720, 5153520, 5497088, 6051840, 6184224, 6871360, 7730280, 8245632, 9077760, 10045440, 10307040, 10994176, 12368448, 13742720, 15460560, 16491264, 18155520, 20614080, 21988352, 24736896, 27485440, 30921120, 32982528, 41228160, 43976704, 49473792, 54970880, 61842240, 65965056, 82456320, 98947584, 109941760, 123684480, 131930112, 164912640, 197895168, 219883520, 247368960, 329825280, 395790336, 494737920, 659650560, 989475840, 1978951680]

約数ペア:

[(1, 1978951680), (2, 989475840), (3, 659650560), (4, 494737920), (5, 395790336), (6, 329825280), (8, 247368960), (9, 219883520), (10, 197895168), (12, 164912640), (15, 131930112), (16, 123684480), (18, 109941760), (20, 98947584), (24, 82456320), (30, 65965056), (32, 61842240), (36, 54970880), (40, 49473792), (45, 43976704), (48, 41228160), (60, 32982528), (64, 30921120), (72, 27485440), (80, 24736896), (90, 21988352), (96, 20614080), (109, 18155520), (120, 16491264), (128, 15460560), (144, 13742720), (160, 12368448), (180, 10994176), (192, 10307040), (197, 10045440), (218, 9077760), (240, 8245632), (256, 7730280), (288, 6871360), (320, 6184224), (327, 6051840), (360, 5497088), (384, 5153520), (394, 5022720), (436, 4538880), (480, 4122816), (512, 3865140), (545, 3631104), (576, 3435680), (591, 3348480), (640, 3092112), (654, 3025920), (720, 2748544), (768, 2576760), (788, 2511360), (872, 2269440), (960, 2061408), (981, 2017280), (985, 2009088), (1024, 1932570), (1090, 1815552), (1152, 1717840), (1182, 1674240), (1280, 1546056), (1308, 1512960), (1440, 1374272), (1536, 1288380), (1576, 1255680), (1635, 1210368), (1744, 1134720), (1773, 1116160), (1920, 1030704), (1962, 1008640), (1970, 1004544), (2048, 966285), (2180, 907776), (2304, 858920), (2364, 837120), (2560, 773028), (2616, 756480), (2880, 687136), (2955, 669696), (3072, 644190), (3152, 627840), (3270, 605184), (3488, 567360), (3546, 558080), (3840, 515352), (3924, 504320), (3940, 502272), (4360, 453888), (4608, 429460), (4728, 418560), (4905, 403456), (5120, 386514), (5232, 378240), (5760, 343568), (5910, 334848), (6144, 322095), (6304, 313920), (6540, 302592), (6976, 283680), (7092, 279040), (7680, 257676), (7848, 252160), (7880, 251136), (8720, 226944), (8865, 223232), (9216, 214730), (9456, 209280), (9810, 201728), (10240, 193257), (10464, 189120), (11520, 171784), (11820, 167424), (12608, 156960), (13080, 151296), (13952, 141840), (14184, 139520), (15360, 128838), (15696, 126080), (15760, 125568), (17440, 113472), (17730, 111616), (18432, 107365), (18912, 104640), (19620, 100864), (20928, 94560), (21473, 92160), (23040, 85892), (23640, 83712), (25216, 78480), (26160, 75648), (27904, 70920), (28368, 69760), (30720, 64419), (31392, 63040), (31520, 62784), (34880, 56736), (35460, 55808), (37824, 52320), (39240, 50432), (41856, 47280), (42946, 46080)]