256312320

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:117

約数の個数: 352

約数和(自身を含む): 940899456

約数和(自身を除く): 684587136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 37, 40, 41, 44, 48, 55, 60, 64, 66, 74, 80, 82, 88, 96, 110, 111, 120, 123, 128, 132, 148, 160, 164, 165, 176, 185, 192, 205, 220, 222, 240, 246, 256, 264, 296, 320, 328, 330, 352, 370, 384, 407, 410, 440, 444, 451, 480, 492, 512, 528, 555, 592, 615, 640, 656, 660, 704, 740, 768, 814, 820, 880, 888, 902, 960, 984, 1024, 1056, 1110, 1184, 1221, 1230, 1280, 1312, 1320, 1353, 1408, 1480, 1517, 1536, 1628, 1640, 1760, 1776, 1804, 1920, 1968, 2035, 2112, 2220, 2255, 2368, 2442, 2460, 2560, 2624, 2640, 2706, 2816, 2960, 3034, 3072, 3256, 3280, 3520, 3552, 3608, 3840, 3936, 4070, 4224, 4440, 4510, 4551, 4736, 4884, 4920, 5120, 5248, 5280, 5412, 5632, 5920, 6068, 6105, 6512, 6560, 6765, 7040, 7104, 7216, 7585, 7680, 7872, 8140, 8448, 8880, 9020, 9102, 9472, 9768, 9840, 10496, 10560, 10824, 11264, 11840, 12136, 12210, 13024, 13120, 13530, 14080, 14208, 14432, 15170, 15360, 15744, 16280, 16687, 16896, 17760, 18040, 18204, 18944, 19536, 19680, 20992, 21120, 21648, 22755, 23680, 24272, 24420, 26048, 26240, 27060, 28160, 28416, 28864, 30340, 31488, 32560, 33374, 33792, 35520, 36080, 36408, 37888, 39072, 39360, 41984, 42240, 43296, 45510, 47360, 48544, 48840, 50061, 52096, 52480, 54120, 56320, 56832, 57728, 60680, 62976, 65120, 66748, 71040, 72160, 72816, 78144, 78720, 83435, 84480, 86592, 91020, 94720, 97088, 97680, 100122, 104192, 104960, 108240, 113664, 115456, 121360, 125952, 130240, 133496, 142080, 144320, 145632, 156288, 157440, 166870, 168960, 173184, 182040, 189440, 194176, 195360, 200244, 208384, 209920, 216480, 230912, 242720, 250305, 260480, 266992, 284160, 288640, 291264, 312576, 314880, 333740, 346368, 364080, 388352, 390720, 400488, 416768, 432960, 461824, 485440, 500610, 520960, 533984, 568320, 577280, 582528, 625152, 629760, 667480, 692736, 728160, 776704, 781440, 800976, 865920, 970880, 1001220, 1041920, 1067968, 1154560, 1165056, 1250304, 1334960, 1385472, 1456320, 1553408, 1562880, 1601952, 1731840, 1941760, 2002440, 2083840, 2135936, 2309120, 2330112, 2669920, 2912640, 3125760, 3203904, 3463680, 3883520, 4004880, 4271872, 4660224, 5339840, 5825280, 6251520, 6407808, 6927360, 7767040, 8009760, 8543744, 10679680, 11650560, 12815616, 16019520, 17087488, 21359360, 23301120, 25631232, 32039040, 42718720, 51262464, 64078080, 85437440, 128156160, 256312320]

約数ペア:

[(1, 256312320), (2, 128156160), (3, 85437440), (4, 64078080), (5, 51262464), (6, 42718720), (8, 32039040), (10, 25631232), (11, 23301120), (12, 21359360), (15, 17087488), (16, 16019520), (20, 12815616), (22, 11650560), (24, 10679680), (30, 8543744), (32, 8009760), (33, 7767040), (37, 6927360), (40, 6407808), (41, 6251520), (44, 5825280), (48, 5339840), (55, 4660224), (60, 4271872), (64, 4004880), (66, 3883520), (74, 3463680), (80, 3203904), (82, 3125760), (88, 2912640), (96, 2669920), (110, 2330112), (111, 2309120), (120, 2135936), (123, 2083840), (128, 2002440), (132, 1941760), (148, 1731840), (160, 1601952), (164, 1562880), (165, 1553408), (176, 1456320), (185, 1385472), (192, 1334960), (205, 1250304), (220, 1165056), (222, 1154560), (240, 1067968), (246, 1041920), (256, 1001220), (264, 970880), (296, 865920), (320, 800976), (328, 781440), (330, 776704), (352, 728160), (370, 692736), (384, 667480), (407, 629760), (410, 625152), (440, 582528), (444, 577280), (451, 568320), (480, 533984), (492, 520960), (512, 500610), (528, 485440), (555, 461824), (592, 432960), (615, 416768), (640, 400488), (656, 390720), (660, 388352), (704, 364080), (740, 346368), (768, 333740), (814, 314880), (820, 312576), (880, 291264), (888, 288640), (902, 284160), (960, 266992), (984, 260480), (1024, 250305), (1056, 242720), (1110, 230912), (1184, 216480), (1221, 209920), (1230, 208384), (1280, 200244), (1312, 195360), (1320, 194176), (1353, 189440), (1408, 182040), (1480, 173184), (1517, 168960), (1536, 166870), (1628, 157440), (1640, 156288), (1760, 145632), (1776, 144320), (1804, 142080), (1920, 133496), (1968, 130240), (2035, 125952), (2112, 121360), (2220, 115456), (2255, 113664), (2368, 108240), (2442, 104960), (2460, 104192), (2560, 100122), (2624, 97680), (2640, 97088), (2706, 94720), (2816, 91020), (2960, 86592), (3034, 84480), (3072, 83435), (3256, 78720), (3280, 78144), (3520, 72816), (3552, 72160), (3608, 71040), (3840, 66748), (3936, 65120), (4070, 62976), (4224, 60680), (4440, 57728), (4510, 56832), (4551, 56320), (4736, 54120), (4884, 52480), (4920, 52096), (5120, 50061), (5248, 48840), (5280, 48544), (5412, 47360), (5632, 45510), (5920, 43296), (6068, 42240), (6105, 41984), (6512, 39360), (6560, 39072), (6765, 37888), (7040, 36408), (7104, 36080), (7216, 35520), (7585, 33792), (7680, 33374), (7872, 32560), (8140, 31488), (8448, 30340), (8880, 28864), (9020, 28416), (9102, 28160), (9472, 27060), (9768, 26240), (9840, 26048), (10496, 24420), (10560, 24272), (10824, 23680), (11264, 22755), (11840, 21648), (12136, 21120), (12210, 20992), (13024, 19680), (13120, 19536), (13530, 18944), (14080, 18204), (14208, 18040), (14432, 17760), (15170, 16896), (15360, 16687), (15744, 16280)]