20378457600

素因数分解:

$2^9\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:151

約数の個数: 960

約数和(自身を含む): 78912092160

約数和(自身を除く): 58533634560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 25, 30, 31, 32, 34, 38, 40, 48, 50, 51, 53, 57, 60, 62, 64, 68, 75, 76, 80, 85, 93, 95, 96, 100, 102, 106, 114, 120, 124, 128, 136, 150, 152, 155, 159, 160, 170, 186, 190, 192, 200, 204, 212, 228, 240, 248, 255, 256, 265, 272, 285, 300, 304, 310, 318, 320, 323, 340, 372, 380, 384, 400, 408, 424, 425, 456, 465, 475, 480, 496, 510, 512, 527, 530, 544, 570, 589, 600, 608, 620, 636, 640, 646, 680, 744, 760, 768, 775, 795, 800, 816, 848, 850, 901, 912, 930, 950, 960, 969, 992, 1007, 1020, 1054, 1060, 1088, 1140, 1178, 1200, 1216, 1240, 1272, 1275, 1280, 1292, 1325, 1360, 1425, 1488, 1520, 1536, 1550, 1581, 1590, 1600, 1615, 1632, 1643, 1696, 1700, 1767, 1802, 1824, 1860, 1900, 1920, 1938, 1984, 2014, 2040, 2108, 2120, 2176, 2280, 2325, 2356, 2400, 2432, 2480, 2544, 2550, 2560, 2584, 2635, 2650, 2703, 2720, 2850, 2945, 2976, 3021, 3040, 3100, 3162, 3180, 3200, 3230, 3264, 3286, 3392, 3400, 3534, 3604, 3648, 3720, 3800, 3840, 3876, 3968, 3975, 4028, 4080, 4216, 4240, 4352, 4505, 4560, 4650, 4712, 4800, 4845, 4864, 4929, 4960, 5035, 5088, 5100, 5168, 5270, 5300, 5406, 5440, 5700, 5890, 5952, 6042, 6080, 6200, 6324, 6360, 6400, 6460, 6528, 6572, 6784, 6800, 7068, 7208, 7296, 7440, 7600, 7680, 7752, 7905, 7936, 7950, 8056, 8075, 8160, 8215, 8432, 8480, 8704, 8835, 9010, 9120, 9300, 9424, 9600, 9690, 9728, 9858, 9920, 10013, 10070, 10176, 10200, 10336, 10540, 10600, 10812, 10880, 11400, 11780, 11904, 12084, 12160, 12400, 12648, 12720, 12800, 12920, 13056, 13144, 13175, 13515, 13568, 13600, 14136, 14416, 14592, 14725, 14880, 15105, 15200, 15504, 15810, 15872, 15900, 16112, 16150, 16320, 16430, 16864, 16960, 17119, 17670, 18020, 18240, 18600, 18848, 19200, 19380, 19716, 19840, 20026, 20140, 20352, 20400, 20672, 21080, 21200, 21624, 21760, 22525, 22800, 23560, 23808, 24168, 24225, 24320, 24645, 24800, 25175, 25296, 25440, 25840, 26112, 26288, 26350, 27030, 27136, 27200, 27931, 28272, 28832, 29184, 29450, 29760, 30039, 30210, 30400, 31008, 31217, 31620, 31800, 32224, 32300, 32640, 32860, 33728, 33920, 34238, 35340, 36040, 36480, 37200, 37696, 38400, 38760, 39432, 39525, 39680, 40052, 40280, 40704, 40800, 41075, 41344, 42160, 42400, 43248, 43520, 44175, 45050, 45600, 47120, 47616, 48336, 48450, 48640, 49290, 49600, 50065, 50350, 50592, 50880, 51357, 51680, 52576, 52700, 54060, 54400, 55862, 56544, 57664, 58900, 59520, 60078, 60420, 60800, 62016, 62434, 63240, 63600, 64448, 64600, 65280, 65720, 67456, 67575, 67840, 68476, 70680, 72080, 72960, 74400, 75392, 75525, 77520, 78864, 79050, 79360, 80104, 80560, 81408, 81600, 82150, 82688, 83793, 84320, 84800, 85595, 86496, 88350, 90100, 91200, 93651, 94240, 96672, 96900, 98580, 99200, 100130, 100700, 101184, 101760, 102714, 103360, 105152, 105400, 108120, 108800, 111724, 113088, 115328, 117800, 119040, 120156, 120840, 121600, 123225, 124032, 124868, 126480, 127200, 128896, 129200, 130560, 131440, 134912, 135150, 135680, 136952, 139655, 141360, 144160, 145920, 148800, 150195, 150784, 151050, 155040, 156085, 157728, 158100, 160208, 161120, 163200, 164300, 165376, 167586, 168640, 169600, 171190, 172992, 176700, 180200, 182400, 187302, 188480, 193344, 193800, 197160, 198400, 200260, 201400, 202368, 203520, 205428, 206720, 210304, 210800, 216240, 217600, 223448, 226176, 230656, 235600, 238080, 240312, 241680, 243200, 246450, 248064, 249736, 250325, 252960, 254400, 256785, 257792, 258400, 262880, 269824, 270300, 273904, 279310, 282720, 288320, 297600, 300390, 301568, 302100, 310080, 312170, 315456, 316200, 320416, 322240, 326400, 328600, 335172, 337280, 339200, 342380, 345984, 353400, 360400, 364800, 374604, 376960, 386688, 387600, 394320, 396800, 400520, 402800, 404736, 407040, 410856, 413440, 418965, 420608, 421600, 427975, 432480, 446896, 452352, 461312, 468255, 471200, 480624, 483360, 492900, 496128, 499472, 500650, 505920, 508800, 513570, 515584, 516800, 525760, 530689, 540600, 547808, 558620, 565440, 576640, 595200, 600780, 604200, 620160, 624340, 630912, 632400, 640832, 644480, 652800, 657200, 670344, 674560, 678400, 684760, 691968, 698275, 706800, 720800, 729600, 749208, 750975, 753920, 773376, 775200, 780425, 788640, 801040, 805600, 809472, 821712, 826880, 837930, 841216, 843200, 855950, 864960, 893792, 904704, 936510, 942400, 961248, 966720, 985800, 998944, 1001300, 1011840, 1017600, 1027140, 1033600, 1051520, 1061378, 1081200, 1095616, 1117240, 1130880, 1153280, 1190400, 1201560, 1208400, 1240320, 1248680, 1261824, 1264800, 1281664, 1283925, 1288960, 1314400, 1340688, 1349120, 1369520, 1383936, 1396550, 1413600, 1441600, 1498416, 1501950, 1507840, 1546752, 1550400, 1560850, 1577280, 1592067, 1602080, 1611200, 1643424, 1675860, 1686400, 1711900, 1729920, 1787584, 1873020, 1884800, 1922496, 1933440, 1971600, 1997888, 2002600, 2023680, 2035200, 2054280, 2067200, 2094825, 2103040, 2122756, 2162400, 2191232, 2234480, 2261760, 2306560, 2341275, 2403120, 2416800, 2480640, 2497360, 2523648, 2529600, 2563328, 2567850, 2577920, 2628800, 2653445, 2681376, 2739040, 2793100, 2827200, 2883200, 2996832, 3003900, 3100800, 3121700, 3154560, 3184134, 3204160, 3222400, 3286848, 3351720, 3372800, 3423800, 3459840, 3575168, 3746040, 3769600, 3844992, 3866880, 3943200, 3995776, 4005200, 4047360, 4108560, 4134400, 4189650, 4206080, 4245512, 4324800, 4382464, 4468960, 4523520, 4682550, 4806240, 4833600, 4994720, 5059200, 5126656, 5135700, 5257600, 5306890, 5362752, 5478080, 5586200, 5654400, 5766400, 5993664, 6007800, 6201600, 6243400, 6309120, 6368268, 6408320, 6444800, 6573696, 6703440, 6745600, 6847600, 6919680, 7150336, 7492080, 7539200, 7689984, 7733760, 7886400, 7960335, 7991552, 8010400, 8217120, 8379300, 8491024, 8649600, 8764928, 8937920, 9365100, 9612480, 9667200, 9989440, 10118400, 10271400, 10515200, 10613780, 10725504, 10956160, 11172400, 11308800, 11532800, 11987328, 12015600, 12403200, 12486800, 12618240, 12736536, 12816640, 12889600, 13147392, 13267225, 13406880, 13695200, 14300672, 14984160, 15379968, 15772800, 15920670, 15983104, 16020800, 16434240, 16758600, 16982048, 17299200, 17875840, 18730200, 19224960, 19334400, 19978880, 20236800, 20542800, 21030400, 21227560, 21451008, 21912320, 22344800, 22617600, 23974656, 24031200, 24973600, 25473072, 25633280, 26294784, 26534450, 26813760, 27390400, 29968320, 31545600, 31841340, 32041600, 32868480, 33517200, 33964096, 34598400, 35751680, 37460400, 38449920, 38668800, 39801675, 39957760, 41085600, 42455120, 42902016, 43824640, 44689600, 47949312, 48062400, 49947200, 50946144, 53068900, 53627520, 54780800, 59936640, 63091200, 63682680, 64083200, 65736960, 67034400, 67928192, 71503360, 74920800, 76899840, 79603350, 79915520, 82171200, 84910240, 89379200, 96124800, 99894400, 101892288, 106137800, 107255040, 109561600, 119873280, 127365360, 128166400, 131473920, 134068800, 135856384, 149841600, 159206700, 164342400, 169820480, 178758400, 192249600, 199788800, 203784576, 212275600, 214510080, 219123200, 239746560, 254730720, 268137600, 271712768, 299683200, 318413400, 328684800, 339640960, 357516800, 384499200, 399577600, 407569152, 424551200, 509461440, 536275200, 599366400, 636826800, 657369600, 679281920, 815138304, 849102400, 1018922880, 1072550400, 1198732800, 1273653600, 1358563840, 1698204800, 2037845760, 2547307200, 3396409600, 4075691520, 5094614400, 6792819200, 10189228800, 20378457600]

約数ペア:

[(1, 20378457600), (2, 10189228800), (3, 6792819200), (4, 5094614400), (5, 4075691520), (6, 3396409600), (8, 2547307200), (10, 2037845760), (12, 1698204800), (15, 1358563840), (16, 1273653600), (17, 1198732800), (19, 1072550400), (20, 1018922880), (24, 849102400), (25, 815138304), (30, 679281920), (31, 657369600), (32, 636826800), (34, 599366400), (38, 536275200), (40, 509461440), (48, 424551200), (50, 407569152), (51, 399577600), (53, 384499200), (57, 357516800), (60, 339640960), (62, 328684800), (64, 318413400), (68, 299683200), (75, 271712768), (76, 268137600), (80, 254730720), (85, 239746560), (93, 219123200), (95, 214510080), (96, 212275600), (100, 203784576), (102, 199788800), (106, 192249600), (114, 178758400), (120, 169820480), (124, 164342400), (128, 159206700), (136, 149841600), (150, 135856384), (152, 134068800), (155, 131473920), (159, 128166400), (160, 127365360), (170, 119873280), (186, 109561600), (190, 107255040), (192, 106137800), (200, 101892288), (204, 99894400), (212, 96124800), (228, 89379200), (240, 84910240), (248, 82171200), (255, 79915520), (256, 79603350), (265, 76899840), (272, 74920800), (285, 71503360), (300, 67928192), (304, 67034400), (310, 65736960), (318, 64083200), (320, 63682680), (323, 63091200), (340, 59936640), (372, 54780800), (380, 53627520), (384, 53068900), (400, 50946144), (408, 49947200), (424, 48062400), (425, 47949312), (456, 44689600), (465, 43824640), (475, 42902016), (480, 42455120), (496, 41085600), (510, 39957760), (512, 39801675), (527, 38668800), (530, 38449920), (544, 37460400), (570, 35751680), (589, 34598400), (600, 33964096), (608, 33517200), (620, 32868480), (636, 32041600), (640, 31841340), (646, 31545600), (680, 29968320), (744, 27390400), (760, 26813760), (768, 26534450), (775, 26294784), (795, 25633280), (800, 25473072), (816, 24973600), (848, 24031200), (850, 23974656), (901, 22617600), (912, 22344800), (930, 21912320), (950, 21451008), (960, 21227560), (969, 21030400), (992, 20542800), (1007, 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(2945, 6919680), (2976, 6847600), (3021, 6745600), (3040, 6703440), (3100, 6573696), (3162, 6444800), (3180, 6408320), (3200, 6368268), (3230, 6309120), (3264, 6243400), (3286, 6201600), (3392, 6007800), (3400, 5993664), (3534, 5766400), (3604, 5654400), (3648, 5586200), (3720, 5478080), (3800, 5362752), (3840, 5306890), (3876, 5257600), (3968, 5135700), (3975, 5126656), (4028, 5059200), (4080, 4994720), (4216, 4833600), (4240, 4806240), (4352, 4682550), (4505, 4523520), (4560, 4468960), (4650, 4382464), (4712, 4324800), (4800, 4245512), (4845, 4206080), (4864, 4189650), (4929, 4134400), (4960, 4108560), (5035, 4047360), (5088, 4005200), (5100, 3995776), (5168, 3943200), (5270, 3866880), (5300, 3844992), (5406, 3769600), (5440, 3746040), (5700, 3575168), (5890, 3459840), (5952, 3423800), (6042, 3372800), (6080, 3351720), (6200, 3286848), (6324, 3222400), (6360, 3204160), (6400, 3184134), (6460, 3154560), (6528, 3121700), (6572, 3100800), (6784, 3003900), (6800, 2996832), (7068, 2883200), (7208, 2827200), (7296, 2793100), (7440, 2739040), (7600, 2681376), (7680, 2653445), (7752, 2628800), (7905, 2577920), (7936, 2567850), (7950, 2563328), (8056, 2529600), (8075, 2523648), (8160, 2497360), (8215, 2480640), (8432, 2416800), (8480, 2403120), (8704, 2341275), (8835, 2306560), (9010, 2261760), (9120, 2234480), (9300, 2191232), (9424, 2162400), (9600, 2122756), (9690, 2103040), (9728, 2094825), (9858, 2067200), (9920, 2054280), (10013, 2035200), (10070, 2023680), (10176, 2002600), (10200, 1997888), (10336, 1971600), (10540, 1933440), (10600, 1922496), (10812, 1884800), (10880, 1873020), (11400, 1787584), (11780, 1729920), (11904, 1711900), (12084, 1686400), (12160, 1675860), (12400, 1643424), (12648, 1611200), (12720, 1602080), (12800, 1592067), (12920, 1577280), (13056, 1560850), (13144, 1550400), (13175, 1546752), (13515, 1507840), (13568, 1501950), (13600, 1498416), (14136, 1441600), (14416, 1413600), (14592, 1396550), (14725, 1383936), (14880, 1369520), (15105, 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(60420, 337280), (60800, 335172), (62016, 328600), (62434, 326400), (63240, 322240), (63600, 320416), (64448, 316200), (64600, 315456), (65280, 312170), (65720, 310080), (67456, 302100), (67575, 301568), (67840, 300390), (68476, 297600), (70680, 288320), (72080, 282720), (72960, 279310), (74400, 273904), (75392, 270300), (75525, 269824), (77520, 262880), (78864, 258400), (79050, 257792), (79360, 256785), (80104, 254400), (80560, 252960), (81408, 250325), (81600, 249736), (82150, 248064), (82688, 246450), (83793, 243200), (84320, 241680), (84800, 240312), (85595, 238080), (86496, 235600), (88350, 230656), (90100, 226176), (91200, 223448), (93651, 217600), (94240, 216240), (96672, 210800), (96900, 210304), (98580, 206720), (99200, 205428), (100130, 203520), (100700, 202368), (101184, 201400), (101760, 200260), (102714, 198400), (103360, 197160), (105152, 193800), (105400, 193344), (108120, 188480), (108800, 187302), (111724, 182400), (113088, 180200), (115328, 176700), (117800, 172992), (119040, 171190), (120156, 169600), (120840, 168640), (121600, 167586), (123225, 165376), (124032, 164300), (124868, 163200), (126480, 161120), (127200, 160208), (128896, 158100), (129200, 157728), (130560, 156085), (131440, 155040), (134912, 151050), (135150, 150784), (135680, 150195), (136952, 148800), (139655, 145920), (141360, 144160)]