638396640

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:292

約数の個数: 480

約数和(自身を含む): 2669635584

約数和(自身を除く): 2031238944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 62, 63, 70, 72, 80, 81, 84, 90, 93, 96, 105, 108, 112, 120, 124, 126, 135, 140, 144, 155, 160, 162, 168, 180, 186, 189, 210, 216, 217, 224, 227, 240, 248, 252, 270, 279, 280, 288, 310, 315, 324, 336, 360, 372, 378, 405, 420, 432, 434, 454, 465, 480, 496, 504, 540, 558, 560, 567, 620, 630, 648, 651, 672, 681, 720, 744, 756, 810, 837, 840, 864, 868, 908, 930, 945, 992, 1008, 1080, 1085, 1116, 1120, 1134, 1135, 1240, 1260, 1296, 1302, 1362, 1395, 1440, 1488, 1512, 1589, 1620, 1674, 1680, 1736, 1816, 1860, 1890, 1953, 2016, 2043, 2160, 2170, 2232, 2268, 2270, 2480, 2511, 2520, 2592, 2604, 2724, 2790, 2835, 2976, 3024, 3178, 3240, 3255, 3348, 3360, 3405, 3472, 3632, 3720, 3780, 3906, 4086, 4185, 4320, 4340, 4464, 4536, 4540, 4767, 4960, 5022, 5040, 5208, 5448, 5580, 5670, 5859, 6048, 6129, 6356, 6480, 6510, 6696, 6810, 6944, 7037, 7264, 7440, 7560, 7812, 7945, 8172, 8370, 8680, 8928, 9072, 9080, 9534, 9765, 10044, 10080, 10215, 10416, 10896, 11160, 11340, 11718, 12258, 12555, 12712, 12960, 13020, 13392, 13620, 14074, 14301, 14880, 15120, 15624, 15890, 16344, 16740, 17360, 17577, 18144, 18160, 18387, 19068, 19530, 20088, 20430, 20832, 21111, 21792, 22320, 22680, 23436, 23835, 24516, 25110, 25424, 26040, 26784, 27240, 28148, 28602, 29295, 30240, 30645, 31248, 31780, 32688, 33480, 34720, 35154, 35185, 36320, 36774, 38136, 39060, 40176, 40860, 42222, 42903, 44640, 45360, 46872, 47670, 49032, 49259, 50220, 50848, 52080, 54480, 56296, 57204, 58590, 61290, 62496, 63333, 63560, 65376, 66960, 70308, 70370, 71505, 73548, 76272, 78120, 80352, 81720, 84444, 85806, 87885, 90720, 91935, 93744, 95340, 98064, 98518, 100440, 104160, 105555, 108960, 112592, 114408, 117180, 122580, 126666, 127120, 128709, 133920, 140616, 140740, 143010, 147096, 147777, 152544, 156240, 163440, 168888, 171612, 175770, 183870, 187488, 189999, 190680, 196128, 197036, 200880, 211110, 214515, 225184, 228816, 234360, 245160, 246295, 253332, 254240, 257418, 281232, 281480, 286020, 294192, 295554, 312480, 316665, 326880, 337776, 343224, 351540, 367740, 379998, 381360, 394072, 401760, 422220, 429030, 443331, 457632, 468720, 490320, 492590, 506664, 514836, 562464, 562960, 569997, 572040, 588384, 591108, 633330, 643545, 675552, 686448, 703080, 735480, 738885, 759996, 762720, 788144, 844440, 858060, 886662, 937440, 949995, 980640, 985180, 1013328, 1029672, 1125920, 1139994, 1144080, 1182216, 1266660, 1287090, 1329993, 1372896, 1406160, 1470960, 1477770, 1519992, 1576288, 1688880, 1716120, 1773324, 1899990, 1970360, 2026656, 2059344, 2216655, 2279988, 2288160, 2364432, 2533320, 2574180, 2659986, 2812320, 2849985, 2941920, 2955540, 3039984, 3377760, 3432240, 3546648, 3799980, 3940720, 3989979, 4118688, 4433310, 4559976, 4728864, 5066640, 5148360, 5319972, 5699970, 5911080, 6079968, 6649965, 6864480, 7093296, 7599960, 7881440, 7979958, 8866620, 9119952, 10133280, 10296720, 10639944, 11399940, 11822160, 13299930, 14186592, 15199920, 15959916, 17733240, 18239904, 19949895, 20593440, 21279888, 22799880, 23644320, 26599860, 30399840, 31919832, 35466480, 39899790, 42559776, 45599760, 53199720, 63839664, 70932960, 79799580, 91199520, 106399440, 127679328, 159599160, 212798880, 319198320, 638396640]

約数ペア:

[(1, 638396640), (2, 319198320), (3, 212798880), (4, 159599160), (5, 127679328), (6, 106399440), (7, 91199520), (8, 79799580), (9, 70932960), (10, 63839664), (12, 53199720), (14, 45599760), (15, 42559776), (16, 39899790), (18, 35466480), (20, 31919832), (21, 30399840), (24, 26599860), (27, 23644320), (28, 22799880), (30, 21279888), (31, 20593440), (32, 19949895), (35, 18239904), (36, 17733240), (40, 15959916), (42, 15199920), (45, 14186592), (48, 13299930), (54, 11822160), (56, 11399940), (60, 10639944), (62, 10296720), (63, 10133280), (70, 9119952), (72, 8866620), (80, 7979958), (81, 7881440), (84, 7599960), (90, 7093296), (93, 6864480), (96, 6649965), (105, 6079968), (108, 5911080), (112, 5699970), (120, 5319972), (124, 5148360), (126, 5066640), (135, 4728864), (140, 4559976), (144, 4433310), (155, 4118688), (160, 3989979), (162, 3940720), (168, 3799980), (180, 3546648), (186, 3432240), (189, 3377760), (210, 3039984), (216, 2955540), (217, 2941920), (224, 2849985), (227, 2812320), (240, 2659986), (248, 2574180), (252, 2533320), (270, 2364432), (279, 2288160), (280, 2279988), (288, 2216655), (310, 2059344), (315, 2026656), (324, 1970360), (336, 1899990), (360, 1773324), (372, 1716120), (378, 1688880), (405, 1576288), (420, 1519992), (432, 1477770), (434, 1470960), (454, 1406160), (465, 1372896), (480, 1329993), (496, 1287090), (504, 1266660), (540, 1182216), (558, 1144080), (560, 1139994), (567, 1125920), (620, 1029672), (630, 1013328), (648, 985180), (651, 980640), (672, 949995), (681, 937440), (720, 886662), (744, 858060), (756, 844440), (810, 788144), (837, 762720), (840, 759996), (864, 738885), (868, 735480), (908, 703080), (930, 686448), (945, 675552), (992, 643545), (1008, 633330), (1080, 591108), (1085, 588384), (1116, 572040), (1120, 569997), (1134, 562960), (1135, 562464), (1240, 514836), (1260, 506664), (1296, 492590), (1302, 490320), (1362, 468720), (1395, 457632), (1440, 443331), (1488, 429030), (1512, 422220), (1589, 401760), (1620, 394072), (1674, 381360), (1680, 379998), (1736, 367740), (1816, 351540), (1860, 343224), (1890, 337776), (1953, 326880), (2016, 316665), (2043, 312480), (2160, 295554), (2170, 294192), (2232, 286020), (2268, 281480), (2270, 281232), (2480, 257418), (2511, 254240), (2520, 253332), (2592, 246295), (2604, 245160), (2724, 234360), (2790, 228816), (2835, 225184), (2976, 214515), (3024, 211110), (3178, 200880), (3240, 197036), (3255, 196128), (3348, 190680), (3360, 189999), (3405, 187488), (3472, 183870), (3632, 175770), (3720, 171612), (3780, 168888), (3906, 163440), (4086, 156240), (4185, 152544), (4320, 147777), (4340, 147096), (4464, 143010), (4536, 140740), (4540, 140616), (4767, 133920), (4960, 128709), (5022, 127120), (5040, 126666), (5208, 122580), (5448, 117180), (5580, 114408), (5670, 112592), (5859, 108960), (6048, 105555), (6129, 104160), (6356, 100440), (6480, 98518), (6510, 98064), (6696, 95340), (6810, 93744), (6944, 91935), (7037, 90720), (7264, 87885), (7440, 85806), (7560, 84444), (7812, 81720), (7945, 80352), (8172, 78120), (8370, 76272), (8680, 73548), (8928, 71505), (9072, 70370), (9080, 70308), (9534, 66960), (9765, 65376), (10044, 63560), (10080, 63333), (10215, 62496), (10416, 61290), (10896, 58590), (11160, 57204), (11340, 56296), (11718, 54480), (12258, 52080), (12555, 50848), (12712, 50220), (12960, 49259), (13020, 49032), (13392, 47670), (13620, 46872), (14074, 45360), (14301, 44640), (14880, 42903), (15120, 42222), (15624, 40860), (15890, 40176), (16344, 39060), (16740, 38136), (17360, 36774), (17577, 36320), (18144, 35185), (18160, 35154), (18387, 34720), (19068, 33480), (19530, 32688), (20088, 31780), (20430, 31248), (20832, 30645), (21111, 30240), (21792, 29295), (22320, 28602), (22680, 28148), (23436, 27240), (23835, 26784), (24516, 26040), (25110, 25424)]