20919857280

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 1024

約数和(自身を含む): 87422976000

約数和(自身を除く): 66503118720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 19, 20, 21, 24, 28, 30, 32, 34, 35, 38, 40, 42, 48, 51, 56, 57, 60, 61, 64, 68, 70, 76, 79, 80, 84, 85, 95, 96, 102, 105, 112, 114, 119, 120, 122, 128, 133, 136, 140, 152, 158, 160, 168, 170, 183, 190, 192, 204, 210, 224, 228, 237, 238, 240, 244, 255, 266, 272, 280, 285, 304, 305, 316, 320, 323, 336, 340, 357, 366, 380, 384, 395, 399, 408, 420, 427, 448, 456, 474, 476, 480, 488, 510, 532, 544, 553, 560, 570, 595, 608, 610, 632, 640, 646, 665, 672, 680, 714, 732, 760, 790, 798, 816, 840, 854, 896, 912, 915, 948, 952, 960, 969, 976, 1020, 1037, 1064, 1088, 1106, 1120, 1140, 1159, 1185, 1190, 1216, 1220, 1264, 1281, 1292, 1330, 1343, 1344, 1360, 1428, 1464, 1501, 1520, 1580, 1596, 1615, 1632, 1659, 1680, 1708, 1785, 1824, 1830, 1896, 1904, 1920, 1938, 1952, 1995, 2040, 2074, 2128, 2135, 2176, 2212, 2240, 2261, 2280, 2318, 2370, 2380, 2432, 2440, 2528, 2562, 2584, 2660, 2686, 2688, 2720, 2765, 2856, 2928, 3002, 3040, 3111, 3160, 3192, 3230, 3264, 3318, 3360, 3416, 3477, 3570, 3648, 3660, 3792, 3808, 3876, 3904, 3990, 4029, 4080, 4148, 4256, 4270, 4424, 4480, 4503, 4522, 4560, 4636, 4740, 4760, 4819, 4845, 4880, 5056, 5124, 5168, 5185, 5320, 5372, 5440, 5530, 5712, 5795, 5856, 6004, 6080, 6222, 6320, 6384, 6405, 6460, 6528, 6636, 6715, 6720, 6783, 6832, 6954, 7140, 7259, 7296, 7320, 7505, 7584, 7616, 7752, 7808, 7980, 8058, 8113, 8160, 8295, 8296, 8512, 8540, 8848, 9006, 9044, 9120, 9272, 9401, 9480, 9520, 9638, 9690, 9760, 10112, 10248, 10336, 10370, 10507, 10640, 10744, 10880, 11060, 11305, 11424, 11590, 11712, 12008, 12160, 12444, 12640, 12768, 12810, 12920, 13272, 13430, 13440, 13566, 13664, 13908, 14280, 14457, 14518, 14640, 15010, 15168, 15232, 15504, 15555, 15960, 16116, 16226, 16320, 16590, 16592, 17024, 17080, 17385, 17696, 18012, 18088, 18240, 18544, 18802, 18960, 19040, 19276, 19380, 19520, 19703, 20145, 20496, 20672, 20740, 21014, 21280, 21488, 21777, 22120, 22515, 22610, 22848, 23180, 23424, 24016, 24095, 24339, 24888, 25280, 25517, 25536, 25620, 25840, 26544, 26860, 27132, 27328, 27816, 28203, 28560, 28914, 29036, 29280, 30020, 30336, 31008, 31110, 31521, 31920, 32232, 32452, 32640, 33180, 33184, 33733, 33915, 34160, 34770, 35392, 36024, 36176, 36295, 36480, 37088, 37604, 37920, 38080, 38552, 38760, 39040, 39406, 40290, 40565, 40992, 41344, 41480, 42028, 42560, 42976, 43554, 44240, 45030, 45220, 45696, 46360, 47005, 48032, 48190, 48678, 49776, 50560, 51034, 51072, 51240, 51680, 52535, 53088, 53720, 54264, 54656, 55632, 56406, 57120, 57828, 58072, 58560, 59109, 60040, 62016, 62220, 63042, 63840, 64464, 64904, 66360, 66368, 67466, 67830, 68320, 69540, 70784, 72048, 72285, 72352, 72590, 74176, 75208, 75840, 76160, 76551, 77104, 77520, 78812, 80580, 81130, 81923, 81984, 82960, 84056, 85120, 85952, 87108, 88480, 90060, 90440, 91561, 92720, 94010, 96064, 96380, 97356, 98515, 99552, 101199, 102068, 102480, 103360, 105070, 106176, 107440, 108528, 108885, 111264, 112812, 114240, 115656, 116144, 117120, 118218, 120080, 121695, 124032, 124440, 126084, 127585, 127680, 128928, 129808, 132720, 132736, 134932, 135660, 136640, 137921, 139080, 141015, 144096, 144570, 144704, 145180, 148352, 150416, 151680, 153102, 154208, 155040, 157605, 157624, 161160, 162260, 163846, 163968, 165920, 168112, 168665, 171904, 174216, 176960, 178619, 180120, 180880, 183122, 185440, 188020, 192128, 192760, 194712, 197030, 199104, 202398, 204136, 204960, 206720, 210140, 212352, 214880, 217056, 217770, 222528, 225624, 228480, 231312, 232288, 236436, 240160, 243390, 245769, 248880, 252168, 255170, 255360, 257856, 259616, 265440, 269864, 271320, 273280, 274683, 275842, 278160, 282030, 288192, 289140, 289408, 290360, 295545, 300832, 306204, 308416, 310080, 315210, 315248, 322320, 324520, 327692, 331840, 336224, 337330, 348432, 353920, 357238, 360240, 361760, 366244, 370880, 376040, 382755, 385520, 389424, 394060, 398208, 404796, 408272, 409615, 409920, 413763, 420280, 429760, 434112, 435540, 445056, 451248, 457805, 462624, 464576, 472872, 480320, 486780, 491538, 497760, 504336, 505995, 510340, 515712, 519232, 530880, 535857, 539728, 542640, 549366, 551684, 556320, 564060, 573461, 576384, 578280, 580720, 591090, 601664, 612408, 616832, 620160, 630420, 630496, 640927, 644640, 649040, 655384, 663680, 672448, 674660, 689605, 696864, 714476, 720480, 723520, 732488, 741760, 752080, 765510, 771040, 778848, 788120, 809592, 816544, 819230, 819840, 827526, 840560, 859520, 868224, 871080, 893095, 902496, 915610, 925248, 929152, 945744, 960640, 973560, 983076, 995520, 1008672, 1011990, 1020680, 1038464, 1061760, 1071714, 1079456, 1085280, 1098732, 1103368, 1112640, 1128120, 1146922, 1156560, 1161440, 1182180, 1203328, 1224816, 1228845, 1260840, 1260992, 1281854, 1289280, 1298080, 1310768, 1344896, 1349320, 1373415, 1379210, 1393728, 1428952, 1440960, 1447040, 1464976, 1504160, 1531020, 1542080, 1556537, 1557696, 1576240, 1619184, 1633088, 1638460, 1655052, 1681120, 1720383, 1742160, 1786190, 1804992, 1831220, 1850496, 1891488, 1922781, 1947120, 1966152, 1991040, 2017344, 2023980, 2041360, 2068815, 2143428, 2158912, 2170560, 2197464, 2206736, 2225280, 2256240, 2293844, 2313120, 2322880, 2364360, 2449632, 2457690, 2521680, 2521984, 2563708, 2578560, 2596160, 2621536, 2679285, 2698640, 2746830, 2758420, 2787456, 2857904, 2867305, 2881920, 2929952, 3008320, 3062040, 3084160, 3113074, 3115392, 3152480, 3204635, 3238368, 3266176, 3276920, 3310104, 3362240, 3440766, 3484320, 3572380, 3609984, 3662440, 3782976, 3845562, 3894240, 3932304, 4034688, 4047960, 4082720, 4137630, 4286856, 4317824, 4341120, 4394928, 4413472, 4512480, 4587688, 4626240, 4645760, 4669611, 4728720, 4899264, 4915380, 5043360, 5127416, 5192320, 5243072, 5358570, 5397280, 5493660, 5516840, 5715808, 5734610, 5859904, 6016640, 6124080, 6226148, 6304960, 6409270, 6476736, 6553840, 6620208, 6724480, 6881532, 6968640, 7144760, 7324880, 7565952, 7691124, 7782685, 7788480, 7864608, 8095920, 8165440, 8275260, 8573712, 8601915, 8789856, 8826944, 9024960, 9175376, 9252480, 9339222, 9457440, 9613905, 9798528, 9830760, 10086720, 10254832, 10486144, 10717140, 10794560, 10895759, 10987320, 11033680, 11431616, 11469220, 11719808, 12248160, 12452296, 12609920, 12818540, 12953472, 13107680, 13240416, 13763064, 13937280, 14289520, 14649760, 15382248, 15565370, 15576960, 15729216, 16191840, 16330880, 16550520, 17147424, 17203830, 17579712, 17653888, 18049920, 18350752, 18678444, 18914880, 19227810, 19661520, 20173440, 20509664, 21434280, 21589120, 21791518, 21974640, 22067360, 22863232, 22938440, 23348055, 24496320, 24904592, 25637080, 26215360, 26480832, 27526128, 28579040, 29299520, 30764496, 31130740, 31458432, 32383680, 32687277, 33101040, 34294848, 34407660, 35159424, 36701504, 37356888, 37829760, 38455620, 39323040, 41019328, 42868560, 43583036, 43949280, 44134720, 45876880, 46696110, 48992640, 49809184, 51274160, 52430720, 52961664, 54478795, 55052256, 57158080, 58599040, 61528992, 62261480, 64767360, 65374554, 66202080, 68589696, 68815320, 73403008, 74713776, 76911240, 78646080, 82038656, 85737120, 87166072, 87898560, 88269440, 91753760, 93392220, 99618368, 102548320, 108957590, 110104512, 114316160, 123057984, 124522960, 130749108, 132404160, 137630640, 149427552, 153822480, 157292160, 163436385, 171474240, 174332144, 175797120, 183507520, 186784440, 199236736, 205096640, 217915180, 220209024, 246115968, 249045920, 261498216, 264808320, 275261280, 298855104, 307644960, 326872770, 342948480, 348664288, 367015040, 373568880, 410193280, 435830360, 498091840, 522996432, 550522560, 597710208, 615289920, 653745540, 697328576, 747137760, 871660720, 996183680, 1045992864, 1101045120, 1230579840, 1307491080, 1394657152, 1494275520, 1743321440, 2091985728, 2614982160, 2988551040, 3486642880, 4183971456, 5229964320, 6973285760, 10459928640, 20919857280]

約数ペア:

[(1, 20919857280), (2, 10459928640), (3, 6973285760), (4, 5229964320), (5, 4183971456), (6, 3486642880), (7, 2988551040), (8, 2614982160), (10, 2091985728), (12, 1743321440), (14, 1494275520), (15, 1394657152), (16, 1307491080), (17, 1230579840), (19, 1101045120), (20, 1045992864), (21, 996183680), (24, 871660720), (28, 747137760), (30, 697328576), (32, 653745540), (34, 615289920), (35, 597710208), (38, 550522560), (40, 522996432), (42, 498091840), (48, 435830360), (51, 410193280), (56, 373568880), (57, 367015040), (60, 348664288), (61, 342948480), (64, 326872770), (68, 307644960), (70, 298855104), (76, 275261280), (79, 264808320), (80, 261498216), (84, 249045920), (85, 246115968), (95, 220209024), (96, 217915180), (102, 205096640), (105, 199236736), (112, 186784440), (114, 183507520), (119, 175797120), (120, 174332144), (122, 171474240), (128, 163436385), (133, 157292160), (136, 153822480), (140, 149427552), (152, 137630640), (158, 132404160), (160, 130749108), (168, 124522960), (170, 123057984), (183, 114316160), (190, 110104512), (192, 108957590), (204, 102548320), (210, 99618368), (224, 93392220), (228, 91753760), (237, 88269440), (238, 87898560), (240, 87166072), (244, 85737120), (255, 82038656), (266, 78646080), (272, 76911240), (280, 74713776), (285, 73403008), (304, 68815320), (305, 68589696), (316, 66202080), (320, 65374554), (323, 64767360), (336, 62261480), (340, 61528992), (357, 58599040), (366, 57158080), (380, 55052256), (384, 54478795), (395, 52961664), (399, 52430720), (408, 51274160), (420, 49809184), (427, 48992640), (448, 46696110), (456, 45876880), (474, 44134720), (476, 43949280), (480, 43583036), (488, 42868560), (510, 41019328), (532, 39323040), (544, 38455620), (553, 37829760), (560, 37356888), (570, 36701504), (595, 35159424), (608, 34407660), (610, 34294848), (632, 33101040), (640, 32687277), (646, 32383680), (665, 31458432), (672, 31130740), (680, 30764496), (714, 29299520), (732, 28579040), (760, 27526128), (790, 26480832), (798, 26215360), (816, 25637080), (840, 24904592), (854, 24496320), (896, 23348055), (912, 22938440), (915, 22863232), (948, 22067360), (952, 21974640), (960, 21791518), (969, 21589120), (976, 21434280), (1020, 20509664), (1037, 20173440), (1064, 19661520), (1088, 19227810), (1106, 18914880), (1120, 18678444), (1140, 18350752), (1159, 18049920), (1185, 17653888), (1190, 17579712), (1216, 17203830), (1220, 17147424), (1264, 16550520), (1281, 16330880), (1292, 16191840), (1330, 15729216), (1343, 15576960), (1344, 15565370), (1360, 15382248), (1428, 14649760), (1464, 14289520), (1501, 13937280), (1520, 13763064), (1580, 13240416), (1596, 13107680), (1615, 12953472), (1632, 12818540), (1659, 12609920), (1680, 12452296), (1708, 12248160), (1785, 11719808), (1824, 11469220), (1830, 11431616), (1896, 11033680), (1904, 10987320), (1920, 10895759), (1938, 10794560), (1952, 10717140), (1995, 10486144), (2040, 10254832), (2074, 10086720), (2128, 9830760), (2135, 9798528), (2176, 9613905), (2212, 9457440), (2240, 9339222), (2261, 9252480), (2280, 9175376), (2318, 9024960), (2370, 8826944), (2380, 8789856), (2432, 8601915), (2440, 8573712), (2528, 8275260), (2562, 8165440), (2584, 8095920), (2660, 7864608), (2686, 7788480), (2688, 7782685), (2720, 7691124), (2765, 7565952), (2856, 7324880), (2928, 7144760), (3002, 6968640), (3040, 6881532), (3111, 6724480), (3160, 6620208), (3192, 6553840), (3230, 6476736), (3264, 6409270), (3318, 6304960), (3360, 6226148), (3416, 6124080), (3477, 6016640), (3570, 5859904), (3648, 5734610), (3660, 5715808), (3792, 5516840), (3808, 5493660), (3876, 5397280), (3904, 5358570), (3990, 5243072), (4029, 5192320), (4080, 5127416), (4148, 5043360), (4256, 4915380), (4270, 4899264), (4424, 4728720), (4480, 4669611), (4503, 4645760), (4522, 4626240), (4560, 4587688), (4636, 4512480), (4740, 4413472), (4760, 4394928), (4819, 4341120), (4845, 4317824), (4880, 4286856), (5056, 4137630), (5124, 4082720), (5168, 4047960), (5185, 4034688), (5320, 3932304), (5372, 3894240), (5440, 3845562), (5530, 3782976), (5712, 3662440), (5795, 3609984), (5856, 3572380), (6004, 3484320), (6080, 3440766), (6222, 3362240), (6320, 3310104), (6384, 3276920), (6405, 3266176), (6460, 3238368), (6528, 3204635), (6636, 3152480), (6715, 3115392), (6720, 3113074), (6783, 3084160), (6832, 3062040), (6954, 3008320), (7140, 2929952), (7259, 2881920), (7296, 2867305), (7320, 2857904), (7505, 2787456), (7584, 2758420), (7616, 2746830), (7752, 2698640), (7808, 2679285), (7980, 2621536), (8058, 2596160), (8113, 2578560), (8160, 2563708), (8295, 2521984), (8296, 2521680), (8512, 2457690), (8540, 2449632), (8848, 2364360), (9006, 2322880), (9044, 2313120), (9120, 2293844), (9272, 2256240), (9401, 2225280), (9480, 2206736), (9520, 2197464), (9638, 2170560), (9690, 2158912), (9760, 2143428), (10112, 2068815), (10248, 2041360), (10336, 2023980), (10370, 2017344), (10507, 1991040), (10640, 1966152), (10744, 1947120), (10880, 1922781), (11060, 1891488), (11305, 1850496), (11424, 1831220), (11590, 1804992), (11712, 1786190), (12008, 1742160), (12160, 1720383), (12444, 1681120), (12640, 1655052), (12768, 1638460), (12810, 1633088), (12920, 1619184), (13272, 1576240), (13430, 1557696), (13440, 1556537), (13566, 1542080), (13664, 1531020), (13908, 1504160), (14280, 1464976), (14457, 1447040), (14518, 1440960), (14640, 1428952), (15010, 1393728), (15168, 1379210), (15232, 1373415), (15504, 1349320), (15555, 1344896), (15960, 1310768), (16116, 1298080), (16226, 1289280), (16320, 1281854), (16590, 1260992), (16592, 1260840), (17024, 1228845), (17080, 1224816), (17385, 1203328), (17696, 1182180), (18012, 1161440), (18088, 1156560), (18240, 1146922), (18544, 1128120), (18802, 1112640), (18960, 1103368), (19040, 1098732), (19276, 1085280), (19380, 1079456), (19520, 1071714), (19703, 1061760), (20145, 1038464), (20496, 1020680), (20672, 1011990), (20740, 1008672), (21014, 995520), (21280, 983076), (21488, 973560), (21777, 960640), (22120, 945744), (22515, 929152), (22610, 925248), (22848, 915610), (23180, 902496), (23424, 893095), (24016, 871080), (24095, 868224), (24339, 859520), (24888, 840560), (25280, 827526), (25517, 819840), (25536, 819230), (25620, 816544), (25840, 809592), (26544, 788120), (26860, 778848), (27132, 771040), (27328, 765510), (27816, 752080), (28203, 741760), (28560, 732488), (28914, 723520), (29036, 720480), (29280, 714476), (30020, 696864), (30336, 689605), (31008, 674660), (31110, 672448), (31521, 663680), (31920, 655384), (32232, 649040), (32452, 644640), (32640, 640927), (33180, 630496), (33184, 630420), (33733, 620160), (33915, 616832), (34160, 612408), (34770, 601664), (35392, 591090), (36024, 580720), (36176, 578280), (36295, 576384), (36480, 573461), (37088, 564060), (37604, 556320), (37920, 551684), (38080, 549366), (38552, 542640), (38760, 539728), (39040, 535857), (39406, 530880), (40290, 519232), (40565, 515712), (40992, 510340), (41344, 505995), (41480, 504336), (42028, 497760), (42560, 491538), (42976, 486780), (43554, 480320), (44240, 472872), (45030, 464576), (45220, 462624), (45696, 457805), (46360, 451248), (47005, 445056), (48032, 435540), (48190, 434112), (48678, 429760), (49776, 420280), (50560, 413763), (51034, 409920), (51072, 409615), (51240, 408272), (51680, 404796), (52535, 398208), (53088, 394060), (53720, 389424), (54264, 385520), (54656, 382755), (55632, 376040), (56406, 370880), (57120, 366244), (57828, 361760), (58072, 360240), (58560, 357238), (59109, 353920), (60040, 348432), (62016, 337330), (62220, 336224), (63042, 331840), (63840, 327692), (64464, 324520), (64904, 322320), (66360, 315248), (66368, 315210), (67466, 310080), (67830, 308416), (68320, 306204), (69540, 300832), (70784, 295545), (72048, 290360), (72285, 289408), (72352, 289140), (72590, 288192), (74176, 282030), (75208, 278160), (75840, 275842), (76160, 274683), (76551, 273280), (77104, 271320), (77520, 269864), (78812, 265440), (80580, 259616), (81130, 257856), (81923, 255360), (81984, 255170), (82960, 252168), (84056, 248880), (85120, 245769), (85952, 243390), (87108, 240160), (88480, 236436), (90060, 232288), (90440, 231312), (91561, 228480), (92720, 225624), (94010, 222528), (96064, 217770), (96380, 217056), (97356, 214880), (98515, 212352), (99552, 210140), (101199, 206720), (102068, 204960), (102480, 204136), (103360, 202398), (105070, 199104), (106176, 197030), (107440, 194712), (108528, 192760), (108885, 192128), (111264, 188020), (112812, 185440), (114240, 183122), (115656, 180880), (116144, 180120), (117120, 178619), (118218, 176960), (120080, 174216), (121695, 171904), (124032, 168665), (124440, 168112), (126084, 165920), (127585, 163968), (127680, 163846), (128928, 162260), (129808, 161160), (132720, 157624), (132736, 157605), (134932, 155040), (135660, 154208), (136640, 153102), (137921, 151680), (139080, 150416), (141015, 148352), (144096, 145180), (144570, 144704)]