20122878720

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:153

約数の個数: 864

約数和(自身を含む): 81837181440

約数和(自身を除く): 61714302720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 31, 32, 35, 38, 40, 41, 42, 48, 56, 57, 60, 62, 64, 70, 76, 80, 82, 84, 93, 95, 96, 105, 112, 114, 120, 123, 124, 128, 133, 140, 152, 155, 160, 164, 168, 186, 190, 192, 205, 210, 217, 224, 228, 240, 246, 248, 256, 266, 280, 285, 287, 304, 310, 320, 328, 336, 372, 380, 384, 399, 410, 420, 434, 448, 456, 465, 480, 492, 496, 532, 560, 570, 574, 589, 608, 615, 620, 640, 651, 656, 665, 672, 744, 760, 768, 779, 798, 820, 840, 861, 868, 896, 912, 930, 960, 961, 984, 992, 1064, 1085, 1120, 1140, 1148, 1178, 1216, 1230, 1240, 1271, 1280, 1302, 1312, 1330, 1344, 1435, 1488, 1520, 1558, 1596, 1640, 1680, 1722, 1736, 1767, 1792, 1824, 1860, 1920, 1922, 1968, 1984, 1995, 2128, 2170, 2240, 2280, 2296, 2337, 2356, 2432, 2460, 2480, 2542, 2604, 2624, 2660, 2688, 2870, 2883, 2945, 2976, 3040, 3116, 3192, 3255, 3280, 3360, 3444, 3472, 3534, 3648, 3720, 3813, 3840, 3844, 3895, 3936, 3968, 3990, 4123, 4256, 4305, 4340, 4480, 4560, 4592, 4674, 4712, 4805, 4864, 4920, 4960, 5084, 5208, 5248, 5320, 5376, 5453, 5740, 5766, 5890, 5952, 6080, 6232, 6355, 6384, 6510, 6560, 6720, 6727, 6888, 6944, 7068, 7296, 7440, 7626, 7688, 7790, 7872, 7936, 7980, 8246, 8512, 8610, 8680, 8835, 8897, 8960, 9120, 9184, 9348, 9424, 9610, 9840, 9920, 10168, 10416, 10496, 10640, 10906, 11480, 11532, 11685, 11780, 11904, 12160, 12369, 12464, 12710, 12768, 13020, 13120, 13440, 13454, 13776, 13888, 14136, 14415, 14592, 14880, 15252, 15376, 15580, 15744, 15960, 16359, 16492, 17024, 17220, 17360, 17670, 17794, 18240, 18259, 18368, 18696, 18848, 19065, 19220, 19680, 19840, 20181, 20336, 20615, 20832, 21280, 21812, 22960, 23064, 23370, 23560, 23808, 24149, 24320, 24738, 24928, 25420, 25536, 26040, 26240, 26691, 26880, 26908, 27265, 27552, 27776, 28272, 28830, 29760, 30504, 30752, 31160, 31488, 31920, 32718, 32984, 33635, 34048, 34440, 34720, 35340, 35588, 36480, 36518, 36736, 37392, 37696, 38130, 38440, 39360, 39401, 39680, 40362, 40672, 41230, 41664, 42560, 43624, 44485, 45920, 46128, 46740, 47120, 48298, 49476, 49856, 50840, 51072, 52080, 52480, 53382, 53816, 54530, 54777, 55104, 55552, 56544, 57660, 59520, 61008, 61504, 61845, 62320, 63840, 65436, 65968, 67270, 68880, 69440, 70680, 71176, 72447, 72960, 73036, 73472, 74784, 75392, 76260, 76880, 78720, 78802, 80724, 81344, 81795, 82460, 83328, 85120, 87248, 88970, 91295, 91840, 92256, 93480, 94240, 96596, 98952, 99712, 100905, 101680, 102144, 104160, 106764, 107632, 109060, 109554, 110208, 113088, 115320, 118203, 119040, 120745, 122016, 123008, 123690, 124640, 127680, 127813, 130872, 131936, 133455, 134540, 137760, 138880, 141360, 142352, 144894, 146072, 149568, 150784, 152520, 153760, 157440, 157604, 161448, 162688, 163590, 164920, 166656, 169043, 170240, 174496, 177940, 182590, 183680, 184512, 186960, 188480, 193192, 197005, 197904, 199424, 201810, 203360, 208320, 213528, 215264, 218120, 219108, 220416, 226176, 230640, 236406, 241490, 244032, 246016, 247380, 249280, 255360, 255626, 261744, 263872, 266910, 269080, 273885, 275520, 275807, 277760, 282720, 284704, 289788, 292144, 299136, 305040, 307520, 315208, 322896, 325376, 327180, 329840, 338086, 348992, 355880, 362235, 365180, 367360, 369024, 373920, 376960, 383439, 386384, 394010, 395808, 403620, 406720, 416640, 427056, 430528, 436240, 438216, 452352, 461280, 472812, 482980, 488064, 494760, 498560, 507129, 510720, 511252, 523488, 527744, 533820, 538160, 547770, 551040, 551614, 565440, 569408, 579576, 584288, 591015, 598272, 610080, 615040, 630416, 639065, 645792, 654360, 659680, 676172, 697984, 711760, 724470, 730360, 738048, 747840, 748619, 753920, 766878, 772768, 788020, 791616, 807240, 813440, 827421, 833280, 845215, 854112, 861056, 872480, 876432, 922560, 945624, 965960, 976128, 989520, 997120, 1014258, 1022504, 1046976, 1055488, 1067640, 1076320, 1095540, 1102080, 1103228, 1130880, 1138816, 1159152, 1168576, 1182030, 1220160, 1230080, 1260832, 1278130, 1291584, 1308720, 1319360, 1352344, 1379035, 1395968, 1423520, 1448940, 1460720, 1495680, 1497238, 1533756, 1545536, 1576040, 1583232, 1614480, 1626880, 1654842, 1690430, 1708224, 1722112, 1744960, 1752864, 1845120, 1891248, 1917195, 1931920, 1979040, 2028516, 2045008, 2093952, 2135280, 2152640, 2191080, 2206456, 2245857, 2261760, 2277632, 2318304, 2337152, 2364060, 2440320, 2521664, 2535645, 2556260, 2583168, 2617440, 2638720, 2704688, 2758070, 2847040, 2897880, 2921440, 2991360, 2994476, 3067512, 3091072, 3152080, 3166464, 3228960, 3309684, 3380860, 3416448, 3489920, 3505728, 3690240, 3743095, 3782496, 3834390, 3863840, 3958080, 4057032, 4090016, 4137105, 4187904, 4270560, 4305280, 4382160, 4412912, 4491714, 4636608, 4674304, 4728120, 4880640, 5043328, 5071290, 5112520, 5166336, 5234880, 5240333, 5277440, 5409376, 5516140, 5694080, 5795760, 5842880, 5988952, 6135024, 6182144, 6304160, 6457920, 6619368, 6761720, 6832896, 6979840, 7011456, 7486190, 7564992, 7668780, 7727680, 7916160, 8114064, 8180032, 8274210, 8541120, 8610560, 8764320, 8825824, 8983428, 9273216, 9456240, 10086656, 10142580, 10225040, 10469760, 10480666, 10818752, 11032280, 11229285, 11388160, 11591520, 11685760, 11977904, 12270048, 12608320, 12915840, 13238736, 13523440, 14022912, 14972380, 15129984, 15337560, 15455360, 15720999, 15832320, 16228128, 16360064, 16548420, 17082240, 17528640, 17651648, 17966856, 18546432, 18912480, 20285160, 20450080, 20939520, 20961332, 21637504, 22064560, 22458570, 23183040, 23371520, 23955808, 24540096, 25216640, 25831680, 26201665, 26477472, 27046880, 29944760, 30259968, 30675120, 30910720, 31441998, 32456256, 32720128, 33096840, 34164480, 35057280, 35303296, 35933712, 37824960, 40570320, 40900160, 41922664, 43275008, 44129120, 44917140, 46366080, 47911616, 49080192, 50433280, 52403330, 52954944, 54093760, 59889520, 61350240, 62883996, 64912512, 66193680, 70114560, 70606592, 71867424, 75649920, 78604995, 81140640, 81800320, 83845328, 88258240, 89834280, 92732160, 95823232, 98160384, 104806660, 105909888, 108187520, 119779040, 122700480, 125767992, 129825024, 132387360, 143734848, 151299840, 157209990, 162281280, 163600640, 167690656, 176516480, 179668560, 191646464, 209613320, 211819776, 216375040, 239558080, 245400960, 251535984, 264774720, 287469696, 314419980, 324562560, 335381312, 353032960, 359337120, 419226640, 479116160, 490801920, 503071968, 529549440, 574939392, 628839960, 649125120, 670762624, 718674240, 838453280, 958232320, 1006143936, 1059098880, 1257679920, 1341525248, 1437348480, 1676906560, 2012287872, 2515359840, 2874696960, 3353813120, 4024575744, 5030719680, 6707626240, 10061439360, 20122878720]

約数ペア:

[(1, 20122878720), (2, 10061439360), (3, 6707626240), (4, 5030719680), (5, 4024575744), (6, 3353813120), (7, 2874696960), (8, 2515359840), (10, 2012287872), (12, 1676906560), (14, 1437348480), (15, 1341525248), (16, 1257679920), (19, 1059098880), (20, 1006143936), (21, 958232320), (24, 838453280), (28, 718674240), (30, 670762624), (31, 649125120), (32, 628839960), (35, 574939392), (38, 529549440), (40, 503071968), (41, 490801920), (42, 479116160), (48, 419226640), (56, 359337120), (57, 353032960), (60, 335381312), (62, 324562560), (64, 314419980), (70, 287469696), (76, 264774720), (80, 251535984), (82, 245400960), (84, 239558080), (93, 216375040), (95, 211819776), (96, 209613320), (105, 191646464), (112, 179668560), (114, 176516480), (120, 167690656), (123, 163600640), (124, 162281280), (128, 157209990), (133, 151299840), (140, 143734848), (152, 132387360), (155, 129825024), (160, 125767992), (164, 122700480), (168, 119779040), (186, 108187520), (190, 105909888), (192, 104806660), (205, 98160384), (210, 95823232), (217, 92732160), (224, 89834280), (228, 88258240), (240, 83845328), (246, 81800320), (248, 81140640), (256, 78604995), (266, 75649920), (280, 71867424), (285, 70606592), (287, 70114560), (304, 66193680), (310, 64912512), (320, 62883996), (328, 61350240), (336, 59889520), (372, 54093760), (380, 52954944), (384, 52403330), (399, 50433280), (410, 49080192), (420, 47911616), (434, 46366080), (448, 44917140), (456, 44129120), (465, 43275008), (480, 41922664), (492, 40900160), (496, 40570320), (532, 37824960), (560, 35933712), (570, 35303296), (574, 35057280), (589, 34164480), (608, 33096840), (615, 32720128), (620, 32456256), (640, 31441998), (651, 30910720), (656, 30675120), (665, 30259968), (672, 29944760), (744, 27046880), (760, 26477472), (768, 26201665), (779, 25831680), (798, 25216640), (820, 24540096), (840, 23955808), (861, 23371520), (868, 23183040), (896, 22458570), (912, 22064560), (930, 21637504), (960, 20961332), (961, 20939520), (984, 20450080), (992, 20285160), (1064, 18912480), (1085, 18546432), (1120, 17966856), (1140, 17651648), (1148, 17528640), (1178, 17082240), (1216, 16548420), (1230, 16360064), (1240, 16228128), (1271, 15832320), (1280, 15720999), (1302, 15455360), (1312, 15337560), (1330, 15129984), (1344, 14972380), (1435, 14022912), (1488, 13523440), (1520, 13238736), (1558, 12915840), (1596, 12608320), (1640, 12270048), (1680, 11977904), (1722, 11685760), (1736, 11591520), (1767, 11388160), (1792, 11229285), (1824, 11032280), (1860, 10818752), (1920, 10480666), (1922, 10469760), (1968, 10225040), (1984, 10142580), (1995, 10086656), (2128, 9456240), (2170, 9273216), (2240, 8983428), (2280, 8825824), (2296, 8764320), (2337, 8610560), (2356, 8541120), (2432, 8274210), (2460, 8180032), (2480, 8114064), (2542, 7916160), (2604, 7727680), (2624, 7668780), (2660, 7564992), (2688, 7486190), (2870, 7011456), (2883, 6979840), (2945, 6832896), (2976, 6761720), (3040, 6619368), (3116, 6457920), (3192, 6304160), (3255, 6182144), (3280, 6135024), (3360, 5988952), (3444, 5842880), (3472, 5795760), (3534, 5694080), (3648, 5516140), (3720, 5409376), (3813, 5277440), (3840, 5240333), (3844, 5234880), (3895, 5166336), (3936, 5112520), (3968, 5071290), (3990, 5043328), (4123, 4880640), (4256, 4728120), (4305, 4674304), (4340, 4636608), (4480, 4491714), (4560, 4412912), (4592, 4382160), (4674, 4305280), (4712, 4270560), (4805, 4187904), (4864, 4137105), (4920, 4090016), (4960, 4057032), (5084, 3958080), (5208, 3863840), (5248, 3834390), (5320, 3782496), (5376, 3743095), (5453, 3690240), (5740, 3505728), (5766, 3489920), (5890, 3416448), (5952, 3380860), (6080, 3309684), (6232, 3228960), (6355, 3166464), (6384, 3152080), (6510, 3091072), (6560, 3067512), (6720, 2994476), (6727, 2991360), (6888, 2921440), (6944, 2897880), (7068, 2847040), (7296, 2758070), (7440, 2704688), (7626, 2638720), (7688, 2617440), (7790, 2583168), (7872, 2556260), (7936, 2535645), (7980, 2521664), (8246, 2440320), (8512, 2364060), (8610, 2337152), (8680, 2318304), (8835, 2277632), (8897, 2261760), (8960, 2245857), (9120, 2206456), (9184, 2191080), (9348, 2152640), (9424, 2135280), (9610, 2093952), (9840, 2045008), (9920, 2028516), (10168, 1979040), (10416, 1931920), (10496, 1917195), (10640, 1891248), (10906, 1845120), (11480, 1752864), (11532, 1744960), (11685, 1722112), (11780, 1708224), (11904, 1690430), (12160, 1654842), (12369, 1626880), (12464, 1614480), (12710, 1583232), (12768, 1576040), (13020, 1545536), (13120, 1533756), (13440, 1497238), (13454, 1495680), (13776, 1460720), (13888, 1448940), (14136, 1423520), (14415, 1395968), (14592, 1379035), (14880, 1352344), (15252, 1319360), (15376, 1308720), (15580, 1291584), (15744, 1278130), (15960, 1260832), (16359, 1230080), (16492, 1220160), (17024, 1182030), (17220, 1168576), (17360, 1159152), (17670, 1138816), (17794, 1130880), (18240, 1103228), (18259, 1102080), (18368, 1095540), (18696, 1076320), (18848, 1067640), (19065, 1055488), (19220, 1046976), (19680, 1022504), (19840, 1014258), (20181, 997120), (20336, 989520), (20615, 976128), (20832, 965960), (21280, 945624), (21812, 922560), (22960, 876432), (23064, 872480), (23370, 861056), (23560, 854112), (23808, 845215), (24149, 833280), (24320, 827421), (24738, 813440), (24928, 807240), (25420, 791616), (25536, 788020), (26040, 772768), (26240, 766878), (26691, 753920), (26880, 748619), (26908, 747840), (27265, 738048), (27552, 730360), (27776, 724470), (28272, 711760), (28830, 697984), (29760, 676172), (30504, 659680), (30752, 654360), (31160, 645792), (31488, 639065), (31920, 630416), (32718, 615040), (32984, 610080), (33635, 598272), (34048, 591015), (34440, 584288), (34720, 579576), (35340, 569408), (35588, 565440), (36480, 551614), (36518, 551040), (36736, 547770), (37392, 538160), (37696, 533820), (38130, 527744), (38440, 523488), (39360, 511252), (39401, 510720), (39680, 507129), (40362, 498560), (40672, 494760), (41230, 488064), (41664, 482980), (42560, 472812), (43624, 461280), (44485, 452352), (45920, 438216), (46128, 436240), (46740, 430528), (47120, 427056), (48298, 416640), (49476, 406720), (49856, 403620), (50840, 395808), (51072, 394010), (52080, 386384), (52480, 383439), (53382, 376960), (53816, 373920), (54530, 369024), (54777, 367360), (55104, 365180), (55552, 362235), (56544, 355880), (57660, 348992), (59520, 338086), (61008, 329840), (61504, 327180), (61845, 325376), (62320, 322896), (63840, 315208), (65436, 307520), (65968, 305040), (67270, 299136), (68880, 292144), (69440, 289788), (70680, 284704), (71176, 282720), (72447, 277760), (72960, 275807), (73036, 275520), (73472, 273885), (74784, 269080), (75392, 266910), (76260, 263872), (76880, 261744), (78720, 255626), (78802, 255360), (80724, 249280), (81344, 247380), (81795, 246016), (82460, 244032), (83328, 241490), (85120, 236406), (87248, 230640), (88970, 226176), (91295, 220416), (91840, 219108), (92256, 218120), (93480, 215264), (94240, 213528), (96596, 208320), (98952, 203360), (99712, 201810), (100905, 199424), (101680, 197904), (102144, 197005), (104160, 193192), (106764, 188480), (107632, 186960), (109060, 184512), (109554, 183680), (110208, 182590), (113088, 177940), (115320, 174496), (118203, 170240), (119040, 169043), (120745, 166656), (122016, 164920), (123008, 163590), (123690, 162688), (124640, 161448), (127680, 157604), (127813, 157440), (130872, 153760), (131936, 152520), (133455, 150784), (134540, 149568), (137760, 146072), (138880, 144894), (141360, 142352)]