20217254400

素因数分解:

$2^9\times 3^3\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:242

約数の個数: 960

約数和(自身を含む): 86827656960

約数和(自身を除く): 66610402560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 50, 54, 56, 60, 61, 63, 64, 70, 72, 75, 80, 84, 90, 96, 100, 105, 108, 112, 120, 122, 126, 128, 135, 137, 140, 144, 150, 160, 168, 175, 180, 183, 189, 192, 200, 210, 216, 224, 225, 240, 244, 252, 256, 270, 274, 280, 288, 300, 305, 315, 320, 336, 350, 360, 366, 378, 384, 400, 411, 420, 427, 432, 448, 450, 480, 488, 504, 512, 525, 540, 548, 549, 560, 576, 600, 610, 630, 640, 672, 675, 685, 700, 720, 732, 756, 768, 800, 822, 840, 854, 864, 896, 900, 915, 945, 959, 960, 976, 1008, 1050, 1080, 1096, 1098, 1120, 1152, 1200, 1220, 1233, 1260, 1280, 1281, 1344, 1350, 1370, 1400, 1440, 1464, 1512, 1525, 1536, 1575, 1600, 1644, 1647, 1680, 1708, 1728, 1792, 1800, 1830, 1890, 1918, 1920, 1952, 2016, 2055, 2100, 2135, 2160, 2192, 2196, 2240, 2304, 2400, 2440, 2466, 2520, 2560, 2562, 2688, 2700, 2740, 2745, 2800, 2877, 2880, 2928, 3024, 3050, 3150, 3200, 3288, 3294, 3360, 3416, 3425, 3456, 3584, 3600, 3660, 3699, 3780, 3836, 3840, 3843, 3904, 4032, 4110, 4200, 4270, 4320, 4384, 4392, 4480, 4575, 4608, 4725, 4795, 4800, 4880, 4932, 5040, 5124, 5376, 5400, 5480, 5490, 5600, 5754, 5760, 5856, 6048, 6100, 6165, 6300, 6400, 6405, 6576, 6588, 6720, 6832, 6850, 6912, 7200, 7320, 7398, 7560, 7672, 7680, 7686, 7808, 8064, 8220, 8235, 8357, 8400, 8540, 8631, 8640, 8768, 8784, 8960, 9150, 9450, 9590, 9600, 9760, 9864, 10080, 10248, 10275, 10675, 10752, 10800, 10960, 10980, 11200, 11508, 11520, 11529, 11712, 12096, 12200, 12330, 12600, 12800, 12810, 13152, 13176, 13440, 13664, 13700, 13725, 13824, 14385, 14400, 14640, 14796, 15120, 15344, 15372, 15616, 16128, 16440, 16470, 16714, 16800, 17080, 17262, 17280, 17536, 17568, 17920, 18300, 18495, 18900, 19180, 19200, 19215, 19520, 19728, 20160, 20496, 20550, 21350, 21600, 21920, 21960, 22400, 23016, 23040, 23058, 23424, 23975, 24192, 24400, 24660, 25071, 25200, 25620, 25893, 26304, 26352, 26880, 27328, 27400, 27450, 28770, 28800, 29280, 29592, 30240, 30688, 30744, 30825, 31232, 32025, 32256, 32880, 32940, 33428, 33600, 34160, 34524, 34560, 35072, 35136, 36600, 36990, 37800, 38360, 38400, 38430, 39040, 39456, 40320, 40992, 41100, 41175, 41785, 42700, 43155, 43200, 43840, 43920, 44800, 46032, 46116, 46848, 47950, 48384, 48800, 49320, 50142, 50400, 51240, 51786, 52608, 52704, 53760, 54656, 54800, 54900, 57540, 57600, 57645, 58499, 58560, 59184, 60480, 61376, 61488, 61650, 64050, 65760, 65880, 66856, 67200, 68320, 69048, 69120, 70144, 70272, 71925, 73200, 73980, 75213, 75600, 76720, 76860, 78080, 78912, 80640, 81984, 82200, 82350, 83570, 85400, 86310, 86400, 87680, 87840, 89600, 92064, 92232, 92475, 93696, 95900, 96075, 96768, 97600, 98640, 100284, 100800, 102480, 103572, 105216, 105408, 109312, 109600, 109800, 115080, 115200, 115290, 116998, 117120, 118368, 120960, 122752, 122976, 123300, 125355, 128100, 129465, 131520, 131760, 133712, 134400, 136640, 138096, 140544, 143850, 146400, 147960, 150426, 151200, 153440, 153720, 156160, 157824, 161280, 163968, 164400, 164700, 167140, 170800, 172620, 172800, 175360, 175497, 175680, 184128, 184464, 184950, 191800, 192150, 195200, 197280, 200568, 201600, 204960, 207144, 208925, 210432, 210816, 215775, 218624, 219200, 219600, 225639, 230160, 230580, 233996, 234240, 236736, 241920, 245504, 245952, 246600, 250710, 256200, 258930, 263040, 263520, 267424, 268800, 273280, 276192, 281088, 287700, 288225, 292495, 292800, 295920, 300852, 302400, 306880, 307440, 315648, 327936, 328800, 329400, 334280, 341600, 345240, 345600, 350720, 350994, 351360, 368256, 368928, 369900, 376065, 383600, 384300, 390400, 394560, 401136, 403200, 409920, 414288, 417850, 421632, 431550, 438400, 439200, 451278, 460320, 461160, 467992, 468480, 473472, 483840, 491008, 491904, 493200, 501420, 512400, 517860, 526080, 526491, 527040, 534848, 546560, 552384, 575400, 576450, 584990, 585600, 591840, 601704, 604800, 613760, 614880, 626775, 631296, 647325, 655872, 657600, 658800, 668560, 683200, 690480, 701988, 702720, 736512, 737856, 739800, 752130, 767200, 768600, 780800, 789120, 802272, 806400, 819840, 828576, 835700, 843264, 863100, 876800, 877485, 878400, 902556, 920640, 922320, 935984, 946944, 983808, 986400, 1002840, 1024800, 1035720, 1052160, 1052982, 1054080, 1069696, 1093120, 1104768, 1128195, 1150800, 1152900, 1169980, 1171200, 1183680, 1203408, 1209600, 1227520, 1229760, 1253550, 1294650, 1315200, 1317600, 1337120, 1366400, 1380960, 1403976, 1405440, 1462475, 1473024, 1475712, 1479600, 1504260, 1534400, 1537200, 1578240, 1579473, 1604544, 1639680, 1657152, 1671400, 1726200, 1753600, 1754970, 1756800, 1805112, 1841280, 1844640, 1871968, 1880325, 1893888, 1967616, 1972800, 2005680, 2049600, 2071440, 2105964, 2108160, 2139392, 2209536, 2256390, 2301600, 2305800, 2339960, 2342400, 2367360, 2406816, 2419200, 2455040, 2459520, 2507100, 2589300, 2630400, 2632455, 2635200, 2674240, 2732800, 2761920, 2807952, 2924950, 2951424, 2959200, 3008520, 3068800, 3074400, 3156480, 3158946, 3209088, 3279360, 3314304, 3342800, 3452400, 3509940, 3513600, 3610224, 3682560, 3689280, 3743936, 3760650, 3945600, 4011360, 4099200, 4142880, 4211928, 4216320, 4278784, 4387425, 4419072, 4512780, 4603200, 4611600, 4679920, 4734720, 4813632, 4919040, 5014200, 5178600, 5260800, 5264910, 5270400, 5348480, 5465600, 5523840, 5615904, 5640975, 5849900, 5902848, 5918400, 6017040, 6137600, 6148800, 6317892, 6418176, 6628608, 6685600, 6904800, 7019880, 7027200, 7220448, 7365120, 7378560, 7487872, 7521300, 7891200, 7897365, 8022720, 8198400, 8285760, 8423856, 8774850, 9025560, 9206400, 9223200, 9359840, 9469440, 9627264, 9838080, 10028400, 10357200, 10529820, 10540800, 10696960, 11047680, 11231808, 11281950, 11699800, 11836800, 12034080, 12275200, 12297600, 12635784, 12836352, 13162275, 13257216, 13371200, 13809600, 14039760, 14440896, 14757120, 14975744, 15042600, 15782400, 15794730, 16045440, 16396800, 16571520, 16847712, 17549700, 18051120, 18412800, 18446400, 18719680, 19254528, 20056800, 20714400, 21059640, 21081600, 21393920, 22095360, 22463616, 22563900, 23399600, 23673600, 24068160, 24595200, 25271568, 26324550, 26742400, 27619200, 28079520, 28881792, 29514240, 29951488, 30085200, 31589460, 32090880, 33143040, 33695424, 35099400, 36102240, 36825600, 36892800, 37439360, 38509056, 39486825, 40113600, 41428800, 42119280, 44927232, 45127800, 46799200, 47347200, 48136320, 49190400, 50543136, 52649100, 53484800, 55238400, 56159040, 57763584, 60170400, 63178920, 64181760, 66286080, 67390848, 70198800, 72204480, 73785600, 74878720, 78973650, 80227200, 82857600, 84238560, 89854464, 90255600, 93598400, 96272640, 101086272, 105298200, 106969600, 110476800, 112318080, 115527168, 120340800, 126357840, 134781696, 140397600, 144408960, 147571200, 149757440, 157947300, 160454400, 165715200, 168477120, 180511200, 187196800, 192545280, 202172544, 210596400, 224636160, 240681600, 252715680, 269563392, 280795200, 288817920, 315894600, 320908800, 331430400, 336954240, 361022400, 374393600, 404345088, 421192800, 449272320, 481363200, 505431360, 561590400, 577635840, 631789200, 673908480, 722044800, 748787200, 808690176, 842385600, 962726400, 1010862720, 1123180800, 1263578400, 1347816960, 1444089600, 1684771200, 2021725440, 2246361600, 2527156800, 2888179200, 3369542400, 4043450880, 5054313600, 6739084800, 10108627200, 20217254400]

約数ペア:

[(1, 20217254400), (2, 10108627200), (3, 6739084800), (4, 5054313600), (5, 4043450880), (6, 3369542400), (7, 2888179200), (8, 2527156800), (9, 2246361600), (10, 2021725440), (12, 1684771200), (14, 1444089600), (15, 1347816960), (16, 1263578400), (18, 1123180800), (20, 1010862720), (21, 962726400), (24, 842385600), (25, 808690176), (27, 748787200), (28, 722044800), (30, 673908480), (32, 631789200), (35, 577635840), (36, 561590400), (40, 505431360), (42, 481363200), (45, 449272320), (48, 421192800), (50, 404345088), (54, 374393600), (56, 361022400), (60, 336954240), (61, 331430400), (63, 320908800), (64, 315894600), (70, 288817920), (72, 280795200), (75, 269563392), (80, 252715680), (84, 240681600), (90, 224636160), (96, 210596400), (100, 202172544), (105, 192545280), (108, 187196800), (112, 180511200), (120, 168477120), (122, 165715200), (126, 160454400), (128, 157947300), (135, 149757440), (137, 147571200), (140, 144408960), (144, 140397600), (150, 134781696), (160, 126357840), (168, 120340800), (175, 115527168), (180, 112318080), (183, 110476800), (189, 106969600), (192, 105298200), (200, 101086272), (210, 96272640), (216, 93598400), (224, 90255600), (225, 89854464), (240, 84238560), (244, 82857600), (252, 80227200), (256, 78973650), (270, 74878720), (274, 73785600), (280, 72204480), (288, 70198800), (300, 67390848), (305, 66286080), (315, 64181760), (320, 63178920), (336, 60170400), (350, 57763584), (360, 56159040), (366, 55238400), (378, 53484800), (384, 52649100), (400, 50543136), (411, 49190400), (420, 48136320), (427, 47347200), (432, 46799200), (448, 45127800), (450, 44927232), (480, 42119280), (488, 41428800), (504, 40113600), (512, 39486825), (525, 38509056), (540, 37439360), (548, 36892800), (549, 36825600), (560, 36102240), (576, 35099400), (600, 33695424), (610, 33143040), (630, 32090880), (640, 31589460), (672, 30085200), (675, 29951488), (685, 29514240), (700, 28881792), (720, 28079520), (732, 27619200), (756, 26742400), (768, 26324550), (800, 25271568), (822, 24595200), (840, 24068160), (854, 23673600), (864, 23399600), (896, 22563900), (900, 22463616), (915, 22095360), (945, 21393920), (959, 21081600), (960, 21059640), (976, 20714400), (1008, 20056800), (1050, 19254528), (1080, 18719680), (1096, 18446400), (1098, 18412800), (1120, 18051120), (1152, 17549700), (1200, 16847712), (1220, 16571520), (1233, 16396800), (1260, 16045440), (1280, 15794730), (1281, 15782400), (1344, 15042600), (1350, 14975744), (1370, 14757120), (1400, 14440896), (1440, 14039760), (1464, 13809600), (1512, 13371200), (1525, 13257216), (1536, 13162275), (1575, 12836352), (1600, 12635784), (1644, 12297600), (1647, 12275200), (1680, 12034080), (1708, 11836800), (1728, 11699800), (1792, 11281950), (1800, 11231808), (1830, 11047680), (1890, 10696960), (1918, 10540800), (1920, 10529820), (1952, 10357200), (2016, 10028400), (2055, 9838080), (2100, 9627264), (2135, 9469440), (2160, 9359840), (2192, 9223200), (2196, 9206400), (2240, 9025560), (2304, 8774850), (2400, 8423856), (2440, 8285760), (2466, 8198400), (2520, 8022720), (2560, 7897365), (2562, 7891200), (2688, 7521300), (2700, 7487872), (2740, 7378560), (2745, 7365120), (2800, 7220448), (2877, 7027200), (2880, 7019880), (2928, 6904800), (3024, 6685600), (3050, 6628608), (3150, 6418176), (3200, 6317892), (3288, 6148800), (3294, 6137600), (3360, 6017040), (3416, 5918400), (3425, 5902848), (3456, 5849900), (3584, 5640975), (3600, 5615904), (3660, 5523840), (3699, 5465600), (3780, 5348480), (3836, 5270400), (3840, 5264910), (3843, 5260800), (3904, 5178600), (4032, 5014200), (4110, 4919040), (4200, 4813632), (4270, 4734720), (4320, 4679920), (4384, 4611600), (4392, 4603200), (4480, 4512780), (4575, 4419072), (4608, 4387425), (4725, 4278784), (4795, 4216320), (4800, 4211928), (4880, 4142880), (4932, 4099200), (5040, 4011360), (5124, 3945600), (5376, 3760650), (5400, 3743936), (5480, 3689280), (5490, 3682560), (5600, 3610224), (5754, 3513600), (5760, 3509940), (5856, 3452400), (6048, 3342800), (6100, 3314304), (6165, 3279360), (6300, 3209088), (6400, 3158946), (6405, 3156480), (6576, 3074400), (6588, 3068800), (6720, 3008520), (6832, 2959200), (6850, 2951424), (6912, 2924950), (7200, 2807952), (7320, 2761920), (7398, 2732800), (7560, 2674240), (7672, 2635200), (7680, 2632455), (7686, 2630400), (7808, 2589300), (8064, 2507100), (8220, 2459520), (8235, 2455040), (8357, 2419200), (8400, 2406816), (8540, 2367360), (8631, 2342400), (8640, 2339960), (8768, 2305800), (8784, 2301600), (8960, 2256390), (9150, 2209536), (9450, 2139392), (9590, 2108160), (9600, 2105964), (9760, 2071440), (9864, 2049600), (10080, 2005680), (10248, 1972800), (10275, 1967616), (10675, 1893888), (10752, 1880325), (10800, 1871968), (10960, 1844640), (10980, 1841280), (11200, 1805112), (11508, 1756800), (11520, 1754970), (11529, 1753600), (11712, 1726200), (12096, 1671400), (12200, 1657152), (12330, 1639680), (12600, 1604544), (12800, 1579473), (12810, 1578240), (13152, 1537200), (13176, 1534400), (13440, 1504260), (13664, 1479600), (13700, 1475712), (13725, 1473024), (13824, 1462475), (14385, 1405440), (14400, 1403976), (14640, 1380960), (14796, 1366400), (15120, 1337120), (15344, 1317600), (15372, 1315200), (15616, 1294650), (16128, 1253550), (16440, 1229760), (16470, 1227520), (16714, 1209600), (16800, 1203408), (17080, 1183680), (17262, 1171200), (17280, 1169980), (17536, 1152900), (17568, 1150800), (17920, 1128195), (18300, 1104768), (18495, 1093120), (18900, 1069696), (19180, 1054080), (19200, 1052982), (19215, 1052160), (19520, 1035720), (19728, 1024800), (20160, 1002840), (20496, 986400), (20550, 983808), (21350, 946944), (21600, 935984), (21920, 922320), (21960, 920640), (22400, 902556), (23016, 878400), (23040, 877485), (23058, 876800), (23424, 863100), (23975, 843264), (24192, 835700), (24400, 828576), (24660, 819840), (25071, 806400), (25200, 802272), (25620, 789120), (25893, 780800), (26304, 768600), (26352, 767200), (26880, 752130), (27328, 739800), (27400, 737856), (27450, 736512), (28770, 702720), (28800, 701988), (29280, 690480), (29592, 683200), (30240, 668560), (30688, 658800), (30744, 657600), (30825, 655872), (31232, 647325), (32025, 631296), (32256, 626775), (32880, 614880), (32940, 613760), (33428, 604800), (33600, 601704), (34160, 591840), (34524, 585600), (34560, 584990), (35072, 576450), (35136, 575400), (36600, 552384), (36990, 546560), (37800, 534848), (38360, 527040), (38400, 526491), (38430, 526080), (39040, 517860), (39456, 512400), (40320, 501420), (40992, 493200), (41100, 491904), (41175, 491008), (41785, 483840), (42700, 473472), (43155, 468480), (43200, 467992), (43840, 461160), (43920, 460320), (44800, 451278), (46032, 439200), (46116, 438400), (46848, 431550), (47950, 421632), (48384, 417850), (48800, 414288), (49320, 409920), (50142, 403200), (50400, 401136), (51240, 394560), (51786, 390400), (52608, 384300), (52704, 383600), (53760, 376065), (54656, 369900), (54800, 368928), (54900, 368256), (57540, 351360), (57600, 350994), (57645, 350720), (58499, 345600), (58560, 345240), (59184, 341600), (60480, 334280), (61376, 329400), (61488, 328800), (61650, 327936), (64050, 315648), (65760, 307440), (65880, 306880), (66856, 302400), (67200, 300852), (68320, 295920), (69048, 292800), (69120, 292495), (70144, 288225), (70272, 287700), (71925, 281088), (73200, 276192), (73980, 273280), (75213, 268800), (75600, 267424), (76720, 263520), (76860, 263040), (78080, 258930), (78912, 256200), (80640, 250710), (81984, 246600), (82200, 245952), (82350, 245504), (83570, 241920), (85400, 236736), (86310, 234240), (86400, 233996), (87680, 230580), (87840, 230160), (89600, 225639), (92064, 219600), (92232, 219200), (92475, 218624), (93696, 215775), (95900, 210816), (96075, 210432), (96768, 208925), (97600, 207144), (98640, 204960), (100284, 201600), (100800, 200568), (102480, 197280), (103572, 195200), (105216, 192150), (105408, 191800), (109312, 184950), (109600, 184464), (109800, 184128), (115080, 175680), (115200, 175497), (115290, 175360), (116998, 172800), (117120, 172620), (118368, 170800), (120960, 167140), (122752, 164700), (122976, 164400), (123300, 163968), (125355, 161280), (128100, 157824), (129465, 156160), (131520, 153720), (131760, 153440), (133712, 151200), (134400, 150426), (136640, 147960), (138096, 146400), (140544, 143850)]