205758720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:417

約数の個数: 216

約数和(自身を含む): 727488216

約数和(自身を除く): 521729496

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 64, 72, 80, 90, 96, 106, 120, 128, 144, 159, 160, 180, 192, 212, 240, 256, 265, 288, 318, 320, 337, 360, 384, 424, 477, 480, 530, 576, 636, 640, 674, 720, 768, 795, 848, 954, 960, 1011, 1060, 1152, 1272, 1280, 1348, 1440, 1590, 1685, 1696, 1908, 1920, 2022, 2120, 2304, 2385, 2544, 2696, 2880, 3033, 3180, 3370, 3392, 3816, 3840, 4044, 4240, 4770, 5055, 5088, 5392, 5760, 6066, 6360, 6740, 6784, 7632, 8088, 8480, 9540, 10110, 10176, 10784, 11520, 12132, 12720, 13480, 13568, 15165, 15264, 16176, 16960, 17861, 19080, 20220, 20352, 21568, 24264, 25440, 26960, 30330, 30528, 32352, 33920, 35722, 38160, 40440, 40704, 43136, 48528, 50880, 53583, 53920, 60660, 61056, 64704, 67840, 71444, 76320, 80880, 86272, 89305, 97056, 101760, 107166, 107840, 121320, 122112, 129408, 142888, 152640, 160749, 161760, 178610, 194112, 203520, 214332, 215680, 242640, 258816, 267915, 285776, 305280, 321498, 323520, 357220, 388224, 428664, 431360, 485280, 535830, 571552, 610560, 642996, 647040, 714440, 776448, 803745, 857328, 970560, 1071660, 1143104, 1285992, 1294080, 1428880, 1607490, 1714656, 1941120, 2143320, 2286208, 2571984, 2857760, 3214980, 3429312, 3882240, 4286640, 4572416, 5143968, 5715520, 6429960, 6858624, 8573280, 10287936, 11431040, 12859920, 13717248, 17146560, 20575872, 22862080, 25719840, 34293120, 41151744, 51439680, 68586240, 102879360, 205758720]

約数ペア:

[(1, 205758720), (2, 102879360), (3, 68586240), (4, 51439680), (5, 41151744), (6, 34293120), (8, 25719840), (9, 22862080), (10, 20575872), (12, 17146560), (15, 13717248), (16, 12859920), (18, 11431040), (20, 10287936), (24, 8573280), (30, 6858624), (32, 6429960), (36, 5715520), (40, 5143968), (45, 4572416), (48, 4286640), (53, 3882240), (60, 3429312), (64, 3214980), (72, 2857760), (80, 2571984), (90, 2286208), (96, 2143320), (106, 1941120), (120, 1714656), (128, 1607490), (144, 1428880), (159, 1294080), (160, 1285992), (180, 1143104), (192, 1071660), (212, 970560), (240, 857328), (256, 803745), (265, 776448), (288, 714440), (318, 647040), (320, 642996), (337, 610560), (360, 571552), (384, 535830), (424, 485280), (477, 431360), (480, 428664), (530, 388224), (576, 357220), (636, 323520), (640, 321498), (674, 305280), (720, 285776), (768, 267915), (795, 258816), (848, 242640), (954, 215680), (960, 214332), (1011, 203520), (1060, 194112), (1152, 178610), (1272, 161760), (1280, 160749), (1348, 152640), (1440, 142888), (1590, 129408), (1685, 122112), (1696, 121320), (1908, 107840), (1920, 107166), (2022, 101760), (2120, 97056), (2304, 89305), (2385, 86272), (2544, 80880), (2696, 76320), (2880, 71444), (3033, 67840), (3180, 64704), (3370, 61056), (3392, 60660), (3816, 53920), (3840, 53583), (4044, 50880), (4240, 48528), (4770, 43136), (5055, 40704), (5088, 40440), (5392, 38160), (5760, 35722), (6066, 33920), (6360, 32352), (6740, 30528), (6784, 30330), (7632, 26960), (8088, 25440), (8480, 24264), (9540, 21568), (10110, 20352), (10176, 20220), (10784, 19080), (11520, 17861), (12132, 16960), (12720, 16176), (13480, 15264), (13568, 15165)]