640297728

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:132

約数の個数: 324

約数和(自身を含む): 2243208240

約数和(自身を除く): 1602910512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 32, 36, 37, 42, 48, 56, 58, 63, 64, 72, 74, 84, 87, 96, 111, 112, 116, 126, 128, 144, 148, 168, 174, 192, 203, 222, 224, 232, 252, 256, 259, 261, 288, 296, 333, 336, 348, 384, 406, 444, 448, 464, 504, 518, 522, 576, 592, 609, 666, 672, 696, 768, 777, 812, 888, 896, 928, 1008, 1036, 1044, 1073, 1152, 1184, 1218, 1332, 1344, 1369, 1392, 1554, 1624, 1776, 1792, 1827, 1856, 2016, 2072, 2088, 2146, 2304, 2331, 2368, 2436, 2664, 2688, 2738, 2784, 3108, 3219, 3248, 3552, 3654, 3712, 4032, 4107, 4144, 4176, 4292, 4662, 4736, 4872, 5328, 5376, 5476, 5568, 6216, 6438, 6496, 7104, 7308, 7424, 7511, 8064, 8214, 8288, 8352, 8584, 9324, 9472, 9583, 9657, 9744, 10656, 10952, 11136, 12321, 12432, 12876, 12992, 14208, 14616, 15022, 16128, 16428, 16576, 16704, 17168, 18648, 19166, 19314, 19488, 21312, 21904, 22272, 22533, 24642, 24864, 25752, 25984, 28416, 28749, 29232, 30044, 32856, 33152, 33408, 34336, 37296, 38332, 38628, 38976, 39701, 42624, 43808, 45066, 49284, 49728, 51504, 51968, 57498, 58464, 60088, 65712, 66304, 66816, 67599, 68672, 74592, 76664, 77256, 77952, 79402, 85248, 86247, 87616, 90132, 98568, 99456, 103008, 114996, 116928, 119103, 120176, 131424, 135198, 137344, 149184, 153328, 154512, 155904, 158804, 172494, 175232, 180264, 197136, 198912, 206016, 229992, 233856, 238206, 240352, 262848, 270396, 274688, 277907, 298368, 306656, 309024, 317608, 344988, 350464, 357309, 360528, 394272, 412032, 459984, 467712, 476412, 480704, 525696, 540792, 555814, 596736, 613312, 618048, 635216, 689976, 714618, 721056, 788544, 824064, 833721, 919968, 952824, 961408, 1051392, 1081584, 1111628, 1226624, 1236096, 1270432, 1379952, 1429236, 1442112, 1577088, 1667442, 1839936, 1905648, 1922816, 2163168, 2223256, 2453248, 2472192, 2501163, 2540864, 2759904, 2858472, 2884224, 3154176, 3334884, 3679872, 3811296, 4326336, 4446512, 5002326, 5081728, 5519808, 5716944, 5768448, 6669768, 7359744, 7622592, 8652672, 8893024, 10004652, 10163456, 11039616, 11433888, 13339536, 15245184, 17305344, 17786048, 20009304, 22079232, 22867776, 26679072, 30490368, 35572096, 40018608, 45735552, 53358144, 71144192, 80037216, 91471104, 106716288, 160074432, 213432576, 320148864, 640297728]

約数ペア:

[(1, 640297728), (2, 320148864), (3, 213432576), (4, 160074432), (6, 106716288), (7, 91471104), (8, 80037216), (9, 71144192), (12, 53358144), (14, 45735552), (16, 40018608), (18, 35572096), (21, 30490368), (24, 26679072), (28, 22867776), (29, 22079232), (32, 20009304), (36, 17786048), (37, 17305344), (42, 15245184), (48, 13339536), (56, 11433888), (58, 11039616), (63, 10163456), (64, 10004652), (72, 8893024), (74, 8652672), (84, 7622592), (87, 7359744), (96, 6669768), (111, 5768448), (112, 5716944), (116, 5519808), (126, 5081728), (128, 5002326), (144, 4446512), (148, 4326336), (168, 3811296), (174, 3679872), (192, 3334884), (203, 3154176), (222, 2884224), (224, 2858472), (232, 2759904), (252, 2540864), (256, 2501163), (259, 2472192), (261, 2453248), (288, 2223256), (296, 2163168), (333, 1922816), (336, 1905648), (348, 1839936), (384, 1667442), (406, 1577088), (444, 1442112), (448, 1429236), (464, 1379952), (504, 1270432), (518, 1236096), (522, 1226624), (576, 1111628), (592, 1081584), (609, 1051392), (666, 961408), (672, 952824), (696, 919968), (768, 833721), (777, 824064), (812, 788544), (888, 721056), (896, 714618), (928, 689976), (1008, 635216), (1036, 618048), (1044, 613312), (1073, 596736), (1152, 555814), (1184, 540792), (1218, 525696), (1332, 480704), (1344, 476412), (1369, 467712), (1392, 459984), (1554, 412032), (1624, 394272), (1776, 360528), (1792, 357309), (1827, 350464), (1856, 344988), (2016, 317608), (2072, 309024), (2088, 306656), (2146, 298368), (2304, 277907), (2331, 274688), (2368, 270396), (2436, 262848), (2664, 240352), (2688, 238206), (2738, 233856), (2784, 229992), (3108, 206016), (3219, 198912), (3248, 197136), (3552, 180264), (3654, 175232), (3712, 172494), (4032, 158804), (4107, 155904), (4144, 154512), (4176, 153328), (4292, 149184), (4662, 137344), (4736, 135198), (4872, 131424), (5328, 120176), (5376, 119103), (5476, 116928), (5568, 114996), (6216, 103008), (6438, 99456), (6496, 98568), (7104, 90132), (7308, 87616), (7424, 86247), (7511, 85248), (8064, 79402), (8214, 77952), (8288, 77256), (8352, 76664), (8584, 74592), (9324, 68672), (9472, 67599), (9583, 66816), (9657, 66304), (9744, 65712), (10656, 60088), (10952, 58464), (11136, 57498), (12321, 51968), (12432, 51504), (12876, 49728), (12992, 49284), (14208, 45066), (14616, 43808), (15022, 42624), (16128, 39701), (16428, 38976), (16576, 38628), (16704, 38332), (17168, 37296), (18648, 34336), (19166, 33408), (19314, 33152), (19488, 32856), (21312, 30044), (21904, 29232), (22272, 28749), (22533, 28416), (24642, 25984), (24864, 25752)]