400438080

素因数分解:

$2^6\times 3^4\times 5^1\times 7^1\times {\mathrm{2207}}^1$

素因数の和:2243

約数の個数: 280

約数和(自身を含む): 1628656128

約数和(自身を除く): 1228218048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 324, 336, 360, 378, 405, 420, 432, 448, 480, 504, 540, 560, 567, 576, 630, 648, 672, 720, 756, 810, 840, 864, 945, 960, 1008, 1080, 1120, 1134, 1260, 1296, 1344, 1440, 1512, 1620, 1680, 1728, 1890, 2016, 2160, 2207, 2240, 2268, 2520, 2592, 2835, 2880, 3024, 3240, 3360, 3780, 4032, 4320, 4414, 4536, 5040, 5184, 5670, 6048, 6480, 6621, 6720, 7560, 8640, 8828, 9072, 10080, 11035, 11340, 12096, 12960, 13242, 15120, 15449, 17656, 18144, 19863, 20160, 22070, 22680, 25920, 26484, 30240, 30898, 33105, 35312, 36288, 39726, 44140, 45360, 46347, 52968, 59589, 60480, 61796, 66210, 70624, 77245, 79452, 88280, 90720, 92694, 99315, 105936, 119178, 123592, 132420, 139041, 141248, 154490, 158904, 176560, 178767, 181440, 185388, 198630, 211872, 231735, 238356, 247184, 264840, 278082, 297945, 308980, 317808, 353120, 357534, 370776, 397260, 417123, 423744, 463470, 476712, 494368, 529680, 556164, 595890, 617960, 635616, 695205, 706240, 715068, 741552, 794520, 834246, 893835, 926940, 953424, 988736, 1059360, 1112328, 1191780, 1235920, 1251369, 1271232, 1390410, 1430136, 1483104, 1589040, 1668492, 1787670, 1853880, 1906848, 2085615, 2118720, 2224656, 2383560, 2471840, 2502738, 2780820, 2860272, 2966208, 3178080, 3336984, 3575340, 3707760, 3813696, 4171230, 4449312, 4767120, 4943680, 5005476, 5561640, 5720544, 6256845, 6356160, 6673968, 7150680, 7415520, 8342460, 8898624, 9534240, 10010952, 11123280, 11441088, 12513690, 13347936, 14301360, 14831040, 16684920, 19068480, 20021904, 22246560, 25027380, 26695872, 28602720, 33369840, 40043808, 44493120, 50054760, 57205440, 66739680, 80087616, 100109520, 133479360, 200219040, 400438080]

約数ペア:

[(1, 400438080), (2, 200219040), (3, 133479360), (4, 100109520), (5, 80087616), (6, 66739680), (7, 57205440), (8, 50054760), (9, 44493120), (10, 40043808), (12, 33369840), (14, 28602720), (15, 26695872), (16, 25027380), (18, 22246560), (20, 20021904), (21, 19068480), (24, 16684920), (27, 14831040), (28, 14301360), (30, 13347936), (32, 12513690), (35, 11441088), (36, 11123280), (40, 10010952), (42, 9534240), (45, 8898624), (48, 8342460), (54, 7415520), (56, 7150680), (60, 6673968), (63, 6356160), (64, 6256845), (70, 5720544), (72, 5561640), (80, 5005476), (81, 4943680), (84, 4767120), (90, 4449312), (96, 4171230), (105, 3813696), (108, 3707760), (112, 3575340), (120, 3336984), (126, 3178080), (135, 2966208), (140, 2860272), (144, 2780820), (160, 2502738), (162, 2471840), (168, 2383560), (180, 2224656), (189, 2118720), (192, 2085615), (210, 1906848), (216, 1853880), (224, 1787670), (240, 1668492), (252, 1589040), (270, 1483104), (280, 1430136), (288, 1390410), (315, 1271232), (320, 1251369), (324, 1235920), (336, 1191780), (360, 1112328), (378, 1059360), (405, 988736), (420, 953424), (432, 926940), (448, 893835), (480, 834246), (504, 794520), (540, 741552), (560, 715068), (567, 706240), (576, 695205), (630, 635616), (648, 617960), (672, 595890), (720, 556164), (756, 529680), (810, 494368), (840, 476712), (864, 463470), (945, 423744), (960, 417123), (1008, 397260), (1080, 370776), (1120, 357534), (1134, 353120), (1260, 317808), (1296, 308980), (1344, 297945), (1440, 278082), (1512, 264840), (1620, 247184), (1680, 238356), (1728, 231735), (1890, 211872), (2016, 198630), (2160, 185388), (2207, 181440), (2240, 178767), (2268, 176560), (2520, 158904), (2592, 154490), (2835, 141248), (2880, 139041), (3024, 132420), (3240, 123592), (3360, 119178), (3780, 105936), (4032, 99315), (4320, 92694), (4414, 90720), (4536, 88280), (5040, 79452), (5184, 77245), (5670, 70624), (6048, 66210), (6480, 61796), (6621, 60480), (6720, 59589), (7560, 52968), (8640, 46347), (8828, 45360), (9072, 44140), (10080, 39726), (11035, 36288), (11340, 35312), (12096, 33105), (12960, 30898), (13242, 30240), (15120, 26484), (15449, 25920), (17656, 22680), (18144, 22070), (19863, 20160)]