640459008

素因数分解:

$2^8\times 3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 432

約数和(自身を含む): 2311518720

約数和(自身を除く): 1671059712

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 32, 36, 42, 48, 49, 54, 56, 61, 62, 63, 64, 72, 84, 93, 96, 98, 108, 112, 122, 124, 126, 128, 144, 147, 168, 183, 186, 189, 192, 196, 216, 217, 224, 244, 248, 252, 256, 279, 288, 294, 336, 366, 372, 378, 384, 392, 427, 432, 434, 441, 448, 488, 496, 504, 549, 558, 576, 588, 651, 672, 732, 744, 756, 768, 784, 837, 854, 864, 868, 882, 896, 976, 992, 1008, 1098, 1116, 1152, 1176, 1281, 1302, 1323, 1344, 1464, 1488, 1512, 1519, 1568, 1647, 1674, 1708, 1728, 1736, 1764, 1792, 1891, 1952, 1953, 1984, 2016, 2196, 2232, 2304, 2352, 2562, 2604, 2646, 2688, 2928, 2976, 2989, 3024, 3038, 3136, 3294, 3348, 3416, 3456, 3472, 3528, 3782, 3843, 3904, 3906, 3968, 4032, 4392, 4464, 4557, 4704, 5124, 5208, 5292, 5376, 5673, 5856, 5859, 5952, 5978, 6048, 6076, 6272, 6588, 6696, 6832, 6912, 6944, 7056, 7564, 7686, 7808, 7812, 7936, 8064, 8784, 8928, 8967, 9114, 9408, 10248, 10416, 10584, 11346, 11529, 11712, 11718, 11904, 11956, 12096, 12152, 12544, 13176, 13237, 13392, 13664, 13671, 13888, 14112, 15128, 15372, 15616, 15624, 16128, 17019, 17568, 17856, 17934, 18228, 18816, 20496, 20832, 21168, 22692, 23058, 23424, 23436, 23808, 23912, 24192, 24304, 26352, 26474, 26784, 26901, 27328, 27342, 27776, 28224, 30256, 30744, 31248, 34038, 35136, 35712, 35868, 36456, 37632, 39711, 40992, 41013, 41664, 42336, 45384, 46116, 46848, 46872, 47824, 48384, 48608, 51057, 52704, 52948, 53568, 53802, 54656, 54684, 55552, 56448, 60512, 61488, 62496, 68076, 70272, 71424, 71736, 72912, 79422, 80703, 81984, 82026, 83328, 84672, 90768, 92232, 92659, 93744, 95648, 97216, 102114, 105408, 105896, 107136, 107604, 109312, 109368, 112896, 119133, 121024, 122976, 124992, 136152, 140544, 143472, 145824, 158844, 161406, 163968, 164052, 166656, 169344, 181536, 184464, 185318, 187488, 191296, 194432, 204228, 210816, 211792, 214272, 215208, 218736, 238266, 242048, 245952, 249984, 272304, 277977, 286944, 291648, 317688, 322812, 327936, 328104, 338688, 357399, 363072, 368928, 370636, 374976, 382592, 388864, 408456, 421632, 423584, 430416, 437472, 476532, 484096, 491904, 499968, 544608, 555954, 573888, 583296, 635376, 645624, 656208, 714798, 726144, 737856, 741272, 749952, 765184, 816912, 833931, 847168, 860832, 874944, 953064, 983808, 1089216, 1111908, 1147776, 1166592, 1270752, 1291248, 1312416, 1429596, 1452288, 1475712, 1482544, 1499904, 1633824, 1667862, 1694336, 1721664, 1749888, 1906128, 2178432, 2223816, 2295552, 2501793, 2541504, 2582496, 2624832, 2859192, 2951424, 2965088, 3267648, 3335724, 3388672, 3443328, 3499776, 3812256, 4356864, 4447632, 5003586, 5083008, 5164992, 5249664, 5718384, 5930176, 6535296, 6671448, 6886656, 7624512, 8895264, 10007172, 10166016, 10329984, 10499328, 11436768, 11860352, 13070592, 13342896, 15249024, 17790528, 20014344, 20659968, 22873536, 23720704, 26685792, 30498048, 35581056, 40028688, 45747072, 53371584, 71162112, 80057376, 91494144, 106743168, 160114752, 213486336, 320229504, 640459008]

約数ペア:

[(1, 640459008), (2, 320229504), (3, 213486336), (4, 160114752), (6, 106743168), (7, 91494144), (8, 80057376), (9, 71162112), (12, 53371584), (14, 45747072), (16, 40028688), (18, 35581056), (21, 30498048), (24, 26685792), (27, 23720704), (28, 22873536), (31, 20659968), (32, 20014344), (36, 17790528), (42, 15249024), (48, 13342896), (49, 13070592), (54, 11860352), (56, 11436768), (61, 10499328), (62, 10329984), (63, 10166016), (64, 10007172), (72, 8895264), (84, 7624512), (93, 6886656), (96, 6671448), (98, 6535296), (108, 5930176), (112, 5718384), (122, 5249664), (124, 5164992), (126, 5083008), (128, 5003586), (144, 4447632), (147, 4356864), (168, 3812256), (183, 3499776), (186, 3443328), (189, 3388672), (192, 3335724), (196, 3267648), (216, 2965088), (217, 2951424), (224, 2859192), (244, 2624832), (248, 2582496), (252, 2541504), (256, 2501793), (279, 2295552), (288, 2223816), (294, 2178432), (336, 1906128), (366, 1749888), (372, 1721664), (378, 1694336), (384, 1667862), (392, 1633824), (427, 1499904), (432, 1482544), (434, 1475712), (441, 1452288), (448, 1429596), (488, 1312416), (496, 1291248), (504, 1270752), (549, 1166592), (558, 1147776), (576, 1111908), (588, 1089216), (651, 983808), (672, 953064), (732, 874944), (744, 860832), (756, 847168), (768, 833931), (784, 816912), (837, 765184), (854, 749952), (864, 741272), (868, 737856), (882, 726144), (896, 714798), (976, 656208), (992, 645624), (1008, 635376), (1098, 583296), (1116, 573888), (1152, 555954), (1176, 544608), (1281, 499968), (1302, 491904), (1323, 484096), (1344, 476532), (1464, 437472), (1488, 430416), (1512, 423584), (1519, 421632), (1568, 408456), (1647, 388864), (1674, 382592), (1708, 374976), (1728, 370636), (1736, 368928), (1764, 363072), (1792, 357399), (1891, 338688), (1952, 328104), (1953, 327936), (1984, 322812), (2016, 317688), (2196, 291648), (2232, 286944), (2304, 277977), (2352, 272304), (2562, 249984), (2604, 245952), (2646, 242048), (2688, 238266), (2928, 218736), (2976, 215208), (2989, 214272), (3024, 211792), (3038, 210816), (3136, 204228), (3294, 194432), (3348, 191296), (3416, 187488), (3456, 185318), (3472, 184464), (3528, 181536), (3782, 169344), (3843, 166656), (3904, 164052), (3906, 163968), (3968, 161406), (4032, 158844), (4392, 145824), (4464, 143472), (4557, 140544), (4704, 136152), (5124, 124992), (5208, 122976), (5292, 121024), (5376, 119133), (5673, 112896), (5856, 109368), (5859, 109312), (5952, 107604), (5978, 107136), (6048, 105896), (6076, 105408), (6272, 102114), (6588, 97216), (6696, 95648), (6832, 93744), (6912, 92659), (6944, 92232), (7056, 90768), (7564, 84672), (7686, 83328), (7808, 82026), (7812, 81984), (7936, 80703), (8064, 79422), (8784, 72912), (8928, 71736), (8967, 71424), (9114, 70272), (9408, 68076), (10248, 62496), (10416, 61488), (10584, 60512), (11346, 56448), (11529, 55552), (11712, 54684), (11718, 54656), (11904, 53802), (11956, 53568), (12096, 52948), (12152, 52704), (12544, 51057), (13176, 48608), (13237, 48384), (13392, 47824), (13664, 46872), (13671, 46848), (13888, 46116), (14112, 45384), (15128, 42336), (15372, 41664), (15616, 41013), (15624, 40992), (16128, 39711), (17019, 37632), (17568, 36456), (17856, 35868), (17934, 35712), (18228, 35136), (18816, 34038), (20496, 31248), (20832, 30744), (21168, 30256), (22692, 28224), (23058, 27776), (23424, 27342), (23436, 27328), (23808, 26901), (23912, 26784), (24192, 26474), (24304, 26352)]