256227840

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1$

素因数の和:380

約数の個数: 320

約数和(自身を含む): 995829120

約数和(自身を除く): 739601280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 128, 132, 135, 144, 160, 165, 176, 180, 192, 198, 216, 220, 240, 256, 264, 270, 288, 297, 320, 330, 337, 352, 360, 384, 396, 432, 440, 480, 495, 512, 528, 540, 576, 594, 640, 660, 674, 704, 720, 768, 792, 864, 880, 960, 990, 1011, 1056, 1080, 1152, 1188, 1280, 1320, 1348, 1408, 1440, 1485, 1536, 1584, 1685, 1728, 1760, 1920, 1980, 2022, 2112, 2160, 2304, 2376, 2560, 2640, 2696, 2816, 2880, 2970, 3033, 3168, 3370, 3456, 3520, 3707, 3840, 3960, 4044, 4224, 4320, 4608, 4752, 5055, 5280, 5392, 5632, 5760, 5940, 6066, 6336, 6740, 6912, 7040, 7414, 7680, 7920, 8088, 8448, 8640, 9099, 9504, 10110, 10560, 10784, 11121, 11520, 11880, 12132, 12672, 13480, 13824, 14080, 14828, 15165, 15840, 16176, 16896, 17280, 18198, 18535, 19008, 20220, 21120, 21568, 22242, 23040, 23760, 24264, 25344, 26960, 28160, 29656, 30330, 31680, 32352, 33363, 34560, 36396, 37070, 38016, 40440, 42240, 43136, 44484, 45495, 47520, 48528, 50688, 53920, 55605, 59312, 60660, 63360, 64704, 66726, 69120, 72792, 74140, 76032, 80880, 84480, 86272, 88968, 90990, 95040, 97056, 100089, 107840, 111210, 118624, 121320, 126720, 129408, 133452, 145584, 148280, 152064, 161760, 166815, 172544, 177936, 181980, 190080, 194112, 200178, 215680, 222420, 237248, 242640, 253440, 258816, 266904, 291168, 296560, 323520, 333630, 355872, 363960, 380160, 388224, 400356, 431360, 444840, 474496, 485280, 500445, 517632, 533808, 582336, 593120, 647040, 667260, 711744, 727920, 760320, 776448, 800712, 862720, 889680, 948992, 970560, 1000890, 1067616, 1164672, 1186240, 1294080, 1334520, 1423488, 1455840, 1552896, 1601424, 1779360, 1897984, 1941120, 2001780, 2135232, 2329344, 2372480, 2588160, 2669040, 2846976, 2911680, 3202848, 3558720, 3882240, 4003560, 4270464, 4658688, 4744960, 5338080, 5693952, 5823360, 6405696, 7117440, 7764480, 8007120, 8540928, 9489920, 10676160, 11646720, 12811392, 14234880, 16014240, 17081856, 21352320, 23293440, 25622784, 28469760, 32028480, 42704640, 51245568, 64056960, 85409280, 128113920, 256227840]

約数ペア:

[(1, 256227840), (2, 128113920), (3, 85409280), (4, 64056960), (5, 51245568), (6, 42704640), (8, 32028480), (9, 28469760), (10, 25622784), (11, 23293440), (12, 21352320), (15, 17081856), (16, 16014240), (18, 14234880), (20, 12811392), (22, 11646720), (24, 10676160), (27, 9489920), (30, 8540928), (32, 8007120), (33, 7764480), (36, 7117440), (40, 6405696), (44, 5823360), (45, 5693952), (48, 5338080), (54, 4744960), (55, 4658688), (60, 4270464), (64, 4003560), (66, 3882240), (72, 3558720), (80, 3202848), (88, 2911680), (90, 2846976), (96, 2669040), (99, 2588160), (108, 2372480), (110, 2329344), (120, 2135232), (128, 2001780), (132, 1941120), (135, 1897984), (144, 1779360), (160, 1601424), (165, 1552896), (176, 1455840), (180, 1423488), (192, 1334520), (198, 1294080), (216, 1186240), (220, 1164672), (240, 1067616), (256, 1000890), (264, 970560), (270, 948992), (288, 889680), (297, 862720), (320, 800712), (330, 776448), (337, 760320), (352, 727920), (360, 711744), (384, 667260), (396, 647040), (432, 593120), (440, 582336), (480, 533808), (495, 517632), (512, 500445), (528, 485280), (540, 474496), (576, 444840), (594, 431360), (640, 400356), (660, 388224), (674, 380160), (704, 363960), (720, 355872), (768, 333630), (792, 323520), (864, 296560), (880, 291168), (960, 266904), (990, 258816), (1011, 253440), (1056, 242640), (1080, 237248), (1152, 222420), (1188, 215680), (1280, 200178), (1320, 194112), (1348, 190080), (1408, 181980), (1440, 177936), (1485, 172544), (1536, 166815), (1584, 161760), (1685, 152064), (1728, 148280), (1760, 145584), (1920, 133452), (1980, 129408), (2022, 126720), (2112, 121320), (2160, 118624), (2304, 111210), (2376, 107840), (2560, 100089), (2640, 97056), (2696, 95040), (2816, 90990), (2880, 88968), (2970, 86272), (3033, 84480), (3168, 80880), (3370, 76032), (3456, 74140), (3520, 72792), (3707, 69120), (3840, 66726), (3960, 64704), (4044, 63360), (4224, 60660), (4320, 59312), (4608, 55605), (4752, 53920), (5055, 50688), (5280, 48528), (5392, 47520), (5632, 45495), (5760, 44484), (5940, 43136), (6066, 42240), (6336, 40440), (6740, 38016), (6912, 37070), (7040, 36396), (7414, 34560), (7680, 33363), (7920, 32352), (8088, 31680), (8448, 30330), (8640, 29656), (9099, 28160), (9504, 26960), (10110, 25344), (10560, 24264), (10784, 23760), (11121, 23040), (11520, 22242), (11880, 21568), (12132, 21120), (12672, 20220), (13480, 19008), (13824, 18535), (14080, 18198), (14828, 17280), (15165, 16896), (15840, 16176)]