28757121120

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 1152

約数和(自身を含む): 132282823680

約数和(自身を除く): 103525702560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 20, 21, 24, 26, 27, 28, 30, 32, 34, 35, 36, 39, 40, 42, 45, 48, 51, 52, 54, 56, 60, 63, 65, 68, 70, 72, 78, 80, 84, 85, 90, 91, 96, 102, 104, 105, 108, 112, 117, 119, 120, 126, 130, 135, 136, 140, 144, 153, 156, 160, 168, 169, 170, 180, 182, 189, 195, 204, 208, 210, 216, 221, 224, 234, 238, 240, 252, 255, 260, 270, 272, 273, 280, 288, 306, 312, 315, 331, 336, 338, 340, 351, 357, 360, 364, 378, 390, 408, 416, 420, 432, 442, 455, 459, 468, 476, 480, 504, 507, 510, 520, 540, 544, 546, 560, 585, 595, 612, 624, 630, 662, 663, 672, 676, 680, 702, 714, 720, 728, 756, 765, 780, 816, 819, 840, 845, 864, 884, 910, 918, 936, 945, 952, 993, 1008, 1014, 1020, 1040, 1071, 1080, 1092, 1105, 1120, 1170, 1183, 1190, 1224, 1248, 1260, 1324, 1326, 1352, 1360, 1365, 1404, 1428, 1440, 1456, 1512, 1521, 1530, 1547, 1560, 1632, 1638, 1655, 1680, 1690, 1755, 1768, 1785, 1820, 1836, 1872, 1890, 1904, 1986, 1989, 2016, 2028, 2040, 2080, 2142, 2160, 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17136, 17212, 17238, 17680, 17745, 17874, 18252, 18360, 18536, 18564, 18720, 18928, 19040, 19656, 19860, 19890, 20111, 20280, 20853, 21216, 21294, 21420, 21515, 21840, 22508, 22815, 22984, 23170, 23205, 23660, 23832, 23868, 24336, 24480, 24570, 24752, 25704, 25818, 25857, 26208, 26480, 26520, 27040, 27804, 27846, 28080, 28135, 28392, 28560, 28730, 29790, 29835, 30121, 30240, 30420, 30940, 31776, 31824, 31941, 32130, 32760, 33762, 34272, 34424, 34476, 34755, 35360, 35490, 35748, 36504, 36720, 37072, 37128, 37856, 38727, 39312, 39389, 39720, 39780, 40222, 40560, 41706, 41769, 42588, 42840, 43030, 43095, 43680, 44685, 45016, 45630, 45968, 46340, 46410, 47320, 47664, 47736, 48672, 49140, 49504, 50643, 51408, 51636, 51714, 52960, 53040, 53235, 55608, 55692, 55939, 56160, 56270, 56784, 57120, 57460, 59580, 59670, 60242, 60333, 60840, 61880, 62559, 63648, 63882, 64260, 64545, 65520, 67524, 68848, 68952, 69510, 69615, 70980, 71496, 73008, 73151, 73440, 74144, 74256, 77454, 77571, 78624, 78778, 79440, 79560, 80444, 81120, 83412, 83538, 84405, 85176, 85680, 86060, 86190, 89370, 90032, 90363, 91260, 91936, 92680, 92820, 94640, 95328, 95472, 98280, 100555, 101286, 102816, 103272, 103428, 104265, 106080, 106470, 111216, 111384, 111878, 112540, 113568, 114920, 116181, 118167, 119160, 119340, 120484, 120666, 121680, 123760, 125118, 127764, 128520, 129090, 129285, 131040, 135048, 137696, 137904, 139020, 139230, 141960, 142992, 146016, 146302, 148512, 150605, 151929, 154908, 155142, 157556, 158880, 159120, 159705, 160888, 166824, 167076, 167817, 168810, 170352, 171360, 172120, 172380, 178740, 180064, 180726, 180999, 182520, 185360, 185640, 189280, 190944, 193635, 196560, 196945, 201110, 202572, 206544, 206856, 208530, 208845, 212940, 219453, 222432, 222768, 223756, 225080, 229840, 232362, 236334, 238320, 238680, 240968, 241332, 243360, 247520, 250236, 253215, 255528, 257040, 258180, 258570, 270096, 271089, 275808, 278040, 278460, 279695, 283920, 285984, 292604, 301210, 301665, 303858, 309816, 310284, 312795, 315112, 318240, 319410, 321776, 333648, 334152, 335634, 337620, 340704, 344240, 344760, 354501, 357480, 361452, 361998, 365040, 365755, 370720, 371280, 387270, 387855, 391573, 393120, 393890, 402220, 405144, 413088, 413712, 417060, 417690, 425880, 438906, 445536, 447512, 450160, 451815, 459680, 464724, 472668, 476640, 477360, 481936, 482664, 500472, 503451, 506430, 511056, 512057, 514080, 516360, 517140, 540192, 542178, 542997, 556080, 556920, 559390, 567840, 580905, 585208, 590835, 602420, 603330, 607716, 619632, 620568, 625590, 630224, 638820, 643552, 658359, 667296, 668304, 671268, 675240, 688480, 689520, 709002, 714960, 722904, 723996, 730080, 731510, 742560, 759645, 774540, 775710, 783146, 787780, 804440, 810288, 813267, 827424, 834120, 835380, 839085, 851760, 877812, 895024, 900320, 903630, 904995, 929448, 945336, 950963, 954720, 963872, 965328, 1000944, 1006902, 1012860, 1022112, 1024114, 1032720, 1034280, 1063503, 1084356, 1085994, 1097265, 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17556240, 17620785, 18434052, 18588960, 18795504, 18906720, 19019260, 19750770, 19970223, 20138040, 20482280, 21067488, 21144942, 21270060, 21687120, 21719880, 22823112, 23042565, 23494380, 24165648, 24308640, 24578736, 25676001, 26024544, 26334360, 26626964, 26850720, 27651078, 28193256, 28360080, 28528890, 28959840, 30207060, 30430816, 30723420, 31325840, 31601232, 32530680, 33283705, 34032096, 34234668, 35112480, 35241570, 36868104, 37591008, 38038520, 39501540, 39940446, 40276080, 40964560, 42289884, 42540120, 42793335, 43374240, 43439760, 45646224, 46085130, 46988760, 48331296, 49157472, 51352002, 52668720, 52862355, 53253928, 55302156, 56386512, 56720160, 57057780, 59910669, 60414120, 61446840, 62651680, 63202464, 65061360, 66567410, 68469336, 69127695, 70483140, 73736208, 76077040, 79003080, 79880892, 80552160, 81929120, 84579768, 85080240, 85586670, 86879520, 91292448, 92170260, 93977520, 99851115, 102704004, 105337440, 105724710, 106507856, 110604312, 112773024, 114115560, 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約数ペア:

[(1, 28757121120), (2, 14378560560), (3, 9585707040), (4, 7189280280), (5, 5751424224), (6, 4792853520), (7, 4108160160), (8, 3594640140), (9, 3195235680), (10, 2875712112), (12, 2396426760), (13, 2212086240), (14, 2054080080), (15, 1917141408), (16, 1797320070), (17, 1691595360), (18, 1597617840), (20, 1437856056), (21, 1369386720), (24, 1198213380), (26, 1106043120), (27, 1065078560), (28, 1027040040), (30, 958570704), (32, 898660035), (34, 845797680), (35, 821632032), (36, 798808920), (39, 737362080), (40, 718928028), (42, 684693360), (45, 639047136), (48, 599106690), (51, 563865120), (52, 553021560), (54, 532539280), (56, 513520020), (60, 479285352), (63, 456462240), (65, 442417248), (68, 422898840), (70, 410816016), (72, 399404460), (78, 368681040), (80, 359464014), (84, 342346680), (85, 338319072), (90, 319523568), (91, 316012320), (96, 299553345), (102, 281932560), (104, 276510780), (105, 273877344), (108, 266269640), (112, 256760010), (117, 245787360), (119, 241656480), (120, 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(504, 57057780), (507, 56720160), (510, 56386512), (520, 55302156), (540, 53253928), (544, 52862355), (546, 52668720), (560, 51352002), (585, 49157472), (595, 48331296), (612, 46988760), (624, 46085130), (630, 45646224), (662, 43439760), (663, 43374240), (672, 42793335), (676, 42540120), (680, 42289884), (702, 40964560), (714, 40276080), (720, 39940446), (728, 39501540), (756, 38038520), (765, 37591008), (780, 36868104), (816, 35241570), (819, 35112480), (840, 34234668), (845, 34032096), (864, 33283705), (884, 32530680), (910, 31601232), (918, 31325840), (936, 30723420), (945, 30430816), (952, 30207060), (993, 28959840), (1008, 28528890), (1014, 28360080), (1020, 28193256), (1040, 27651078), (1071, 26850720), (1080, 26626964), (1092, 26334360), (1105, 26024544), (1120, 25676001), (1170, 24578736), (1183, 24308640), (1190, 24165648), (1224, 23494380), (1248, 23042565), (1260, 22823112), (1324, 21719880), (1326, 21687120), (1352, 21270060), (1360, 21144942), (1365, 21067488), (1404, 20482280), (1428, 20138040), (1440, 19970223), (1456, 19750770), (1512, 19019260), (1521, 18906720), (1530, 18795504), (1547, 18588960), (1560, 18434052), (1632, 17620785), (1638, 17556240), (1655, 17375904), (1680, 17117334), (1690, 17016048), (1755, 16385824), (1768, 16265340), (1785, 16110432), (1820, 15800616), (1836, 15662920), (1872, 15361710), (1890, 15215408), (1904, 15103530), (1986, 14479920), (1989, 14458080), (2016, 14264445), (2028, 14180040), (2040, 14096628), (2080, 13825539), (2142, 13425360), (2160, 13313482), (2184, 13167180), (2210, 13012272), (2295, 12530336), (2317, 12411360), (2340, 12289368), (2366, 12154320), (2380, 12082824), (2448, 11747190), (2457, 11704160), (2520, 11411556), (2535, 11344032), (2648, 10859940), (2652, 10843560), (2704, 10635030), (2720, 10572471), (2730, 10533744), (2808, 10241140), (2856, 10069020), (2873, 10009440), (2912, 9875385), (2979, 9653280), (3024, 9509630), (3042, 9453360), (3060, 9397752), (3094, 9294480), (3120, 9217026), (3213, 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(6951, 4137120), (7020, 4096456), (7072, 4066335), (7098, 4051440), (7140, 4027608), (7280, 3950154), (7344, 3915730), (7560, 3803852), (7605, 3781344), (7735, 3717792), (7944, 3619980), (7956, 3614520), (8112, 3545010), (8160, 3524157), (8190, 3511248), (8568, 3356340), (8606, 3341520), (8619, 3336480), (8736, 3291795), (8840, 3253068), (8937, 3217760), (9126, 3151120), (9180, 3132584), (9268, 3102840), (9282, 3098160), (9360, 3072342), (9464, 3038580), (9520, 3020706), (9828, 2926040), (9930, 2895984), (9945, 2891616), (10080, 2852889), (10140, 2836008), (10592, 2714985), (10608, 2710890), (10647, 2700960), (10710, 2685072), (10920, 2633436), (11232, 2560285), (11254, 2555280), (11424, 2517255), (11492, 2502360), (11585, 2482272), (11830, 2430864), (11916, 2413320), (11934, 2409680), (12168, 2363340), (12240, 2349438), (12285, 2340832), (12376, 2323620), (12852, 2237560), (12909, 2227680), (13104, 2194530), (13240, 2171988), (13260, 2168712), (13520, 2127006), (13902, 2068560), 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