20157448080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:388

約数の個数: 960

約数和(自身を含む): 87774382080

約数和(自身を除く): 67616934000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 17, 19, 20, 21, 22, 24, 28, 30, 33, 34, 35, 38, 40, 42, 44, 48, 51, 55, 56, 57, 60, 66, 68, 70, 76, 77, 80, 84, 85, 88, 95, 102, 105, 110, 112, 114, 119, 120, 121, 132, 133, 136, 140, 152, 154, 165, 168, 170, 176, 187, 190, 204, 209, 210, 220, 228, 231, 238, 240, 242, 255, 264, 266, 272, 280, 285, 304, 307, 308, 323, 330, 336, 340, 357, 363, 374, 380, 385, 399, 408, 418, 420, 440, 456, 462, 476, 484, 510, 528, 532, 560, 561, 570, 595, 605, 614, 616, 627, 646, 660, 665, 680, 714, 726, 748, 760, 770, 798, 816, 836, 840, 847, 880, 912, 921, 924, 935, 952, 968, 969, 1020, 1045, 1064, 1122, 1140, 1155, 1190, 1210, 1228, 1232, 1254, 1292, 1309, 1320, 1330, 1360, 1428, 1452, 1463, 1496, 1520, 1535, 1540, 1596, 1615, 1672, 1680, 1694, 1785, 1815, 1842, 1848, 1870, 1904, 1936, 1938, 1995, 2040, 2057, 2090, 2128, 2149, 2244, 2261, 2280, 2299, 2310, 2380, 2420, 2456, 2508, 2541, 2584, 2618, 2640, 2660, 2805, 2856, 2904, 2926, 2992, 3070, 3080, 3135, 3192, 3230, 3344, 3377, 3388, 3553, 3570, 3630, 3684, 3696, 3740, 3876, 3927, 3990, 4080, 4114, 4180, 4235, 4298, 4389, 4488, 4522, 4560, 4598, 4605, 4620, 4760, 4840, 4845, 4912, 5016, 5082, 5168, 5219, 5236, 5320, 5610, 5712, 5808, 5833, 5852, 6140, 6160, 6171, 6270, 6384, 6447, 6460, 6545, 6754, 6776, 6783, 6897, 7106, 7140, 7260, 7315, 7368, 7480, 7752, 7854, 7980, 8228, 8360, 8470, 8596, 8778, 8976, 9044, 9196, 9210, 9240, 9520, 9680, 9690, 10032, 10131, 10164, 10285, 10438, 10472, 10640, 10659, 10745, 11220, 11305, 11495, 11666, 11704, 12280, 12342, 12540, 12705, 12894, 12920, 13090, 13508, 13552, 13566, 13794, 14212, 14280, 14399, 14520, 14630, 14736, 14960, 15504, 15657, 15708, 15960, 16093, 16456, 16720, 16885, 16940, 17192, 17499, 17556, 17765, 18088, 18392, 18420, 18480, 19380, 19635, 20262, 20328, 20570, 20876, 20944, 21318, 21490, 21945, 22440, 22610, 22990, 23332, 23408, 23639, 24560, 24684, 24871, 25080, 25410, 25788, 25840, 26095, 26180, 27016, 27132, 27588, 28424, 28560, 28798, 29040, 29165, 29260, 30855, 31314, 31416, 31920, 32186, 32235, 32912, 33770, 33880, 33915, 34384, 34485, 34998, 35112, 35530, 36176, 36533, 36784, 36840, 37147, 38760, 39083, 39270, 40524, 40656, 40831, 41140, 41752, 42636, 42980, 43197, 43890, 44880, 45220, 45980, 46664, 47278, 48279, 49368, 49742, 50160, 50655, 50820, 51576, 52190, 52360, 53295, 54032, 54264, 55176, 56848, 57409, 57596, 58330, 58520, 61710, 62628, 62832, 64163, 64372, 64470, 67540, 67760, 67830, 68970, 69996, 70224, 70917, 71060, 71995, 73066, 73680, 74294, 74613, 77520, 78166, 78285, 78540, 80465, 81048, 81662, 82280, 83504, 85272, 85960, 86394, 87495, 87780, 90440, 91960, 93328, 94556, 96558, 98736, 99161, 99484, 101310, 101640, 103152, 104380, 104720, 106590, 108528, 109599, 110352, 111441, 114818, 115192, 116660, 117040, 117249, 118195, 122493, 123420, 124355, 125256, 128326, 128744, 128940, 135080, 135660, 137940, 139992, 141834, 142120, 143990, 146132, 148588, 149226, 156332, 156570, 157080, 160930, 162096, 163324, 164560, 170544, 171920, 172227, 172788, 174990, 175560, 180880, 182665, 183920, 185735, 189112, 192489, 193116, 195415, 198322, 198968, 202620, 203280, 204155, 208760, 213180, 215985, 219198, 222882, 229636, 230384, 233320, 234498, 236390, 241395, 244986, 246840, 248710, 250512, 256652, 257488, 257880, 260029, 270160, 271320, 273581, 275880, 279984, 283668, 284240, 287045, 287980, 292264, 297176, 297483, 298452, 312664, 313140, 314160, 320815, 321860, 326648, 344454, 345576, 349980, 351120, 354585, 365330, 371470, 373065, 378224, 384978, 386232, 390830, 396644, 397936, 401863, 405240, 408310, 417520, 426360, 431970, 438396, 445764, 449141, 459272, 466640, 468996, 472780, 482790, 489972, 493680, 495805, 497420, 513304, 515760, 520058, 542640, 547162, 547995, 551760, 557205, 567336, 574090, 575960, 584528, 586245, 594352, 594966, 596904, 612465, 625328, 626280, 631499, 641630, 643720, 653296, 688908, 691152, 694127, 699960, 705793, 709170, 730660, 742940, 746130, 769956, 772464, 780087, 781660, 793288, 803726, 810480, 816620, 820743, 852720, 861135, 863940, 876792, 891528, 898282, 918544, 937992, 945560, 962445, 965580, 979944, 991610, 994840, 1026608, 1040116, 1090771, 1094324, 1095990, 1114410, 1134672, 1148180, 1151920, 1172490, 1189932, 1193808, 1205589, 1224930, 1252560, 1262998, 1283260, 1287440, 1300145, 1347423, 1367905, 1377816, 1388254, 1399920, 1411586, 1418340, 1461320, 1485880, 1487415, 1492260, 1539912, 1560174, 1563320, 1586576, 1607452, 1633240, 1641486, 1722270, 1727880, 1753584, 1783056, 1796564, 1875984, 1891120, 1894497, 1924890, 1931160, 1959888, 1983220, 1989680, 2009315, 2080232, 2082381, 2117379, 2181542, 2188648, 2191980, 2228820, 2245705, 2296360, 2344980, 2379864, 2411178, 2449860, 2525996, 2566520, 2600290, 2694846, 2735810, 2755632, 2776508, 2823172, 2836680, 2922640, 2971760, 2974830, 2984520, 3079824, 3120348, 3126640, 3157495, 3214904, 3266480, 3272313, 3282972, 3444540, 3455760, 3470635, 3528965, 3593128, 3788994, 3849780, 3862320, 3900435, 3966440, 4018630, 4103715, 4160464, 4164762, 4234758, 4363084, 4377296, 4383960, 4420493, 4457640, 4491410, 4592720, 4689960, 4759728, 4822356, 4899720, 4940551, 5051992, 5133040, 5200580, 5389692, 5453855, 5471620, 5553016, 5646344, 5673360, 5949660, 5969040, 6027945, 6240696, 6314990, 6429808, 6544626, 6565944, 6737115, 6889080, 6941270, 7057930, 7186256, 7577988, 7635397, 7699560, 7800870, 7932880, 8037260, 8207430, 8329524, 8469516, 8726168, 8767920, 8840986, 8915280, 8982820, 9379920, 9472485, 9644712, 9799440, 9881102, 10103984, 10401160, 10411905, 10586895, 10779384, 10907710, 10943240, 11106032, 11292688, 11899320, 11998481, 12055890, 12481392, 12629980, 13089252, 13131888, 13261479, 13474230, 13778160, 13882540, 14115860, 14821653, 15155976, 15270794, 15399120, 15601740, 16074520, 16361565, 16414860, 16659048, 16939032, 17452336, 17681972, 17965640, 18944970, 19289424, 19762204, 20802320, 20823810, 21173790, 21558768, 21815420, 21886480, 22102465, 22906191, 23798640, 23996962, 24111780, 24702755, 25259960, 26178504, 26522958, 26948460, 27765080, 28231720, 29643306, 30311952, 30541588, 31203480, 32149040, 32723130, 32829720, 33318096, 33878064, 35363944, 35931280, 35995443, 37889940, 38176985, 39524408, 41647620, 42347580, 43630840, 44204930, 45812382, 47993924, 48223560, 49405510, 50519920, 52357008, 53045916, 53896920, 55530160, 56463440, 59286612, 59992405, 61083176, 62406960, 65446260, 65659440, 66307395, 70727888, 71990886, 74108265, 75779880, 76353970, 79048816, 83295240, 83989367, 84695160, 87261680, 88409860, 91624764, 95987848, 96447120, 98811020, 106091832, 107793840, 114530955, 118573224, 119984810, 122166352, 130892520, 132614790, 143981772, 148216530, 151559760, 152707940, 166590480, 167978734, 169390320, 176819720, 179977215, 183249528, 191975696, 197622040, 212183664, 229061910, 237146448, 239969620, 251968101, 261785040, 265229580, 287963544, 296433060, 305415880, 335957468, 353639440, 359954430, 366499056, 395244080, 419946835, 458123820, 479939240, 503936202, 530459160, 575927088, 592866120, 610831760, 671914936, 719908860, 839893670, 916247640, 959878480, 1007872404, 1060918320, 1185732240, 1259840505, 1343829872, 1439817720, 1679787340, 1832495280, 2015744808, 2519681010, 2879635440, 3359574680, 4031489616, 5039362020, 6719149360, 10078724040, 20157448080]

約数ペア:

[(1, 20157448080), (2, 10078724040), (3, 6719149360), (4, 5039362020), (5, 4031489616), (6, 3359574680), (7, 2879635440), (8, 2519681010), (10, 2015744808), (11, 1832495280), (12, 1679787340), (14, 1439817720), (15, 1343829872), (16, 1259840505), (17, 1185732240), (19, 1060918320), (20, 1007872404), (21, 959878480), (22, 916247640), (24, 839893670), (28, 719908860), (30, 671914936), (33, 610831760), (34, 592866120), (35, 575927088), (38, 530459160), (40, 503936202), (42, 479939240), (44, 458123820), (48, 419946835), (51, 395244080), (55, 366499056), (56, 359954430), (57, 353639440), (60, 335957468), (66, 305415880), (68, 296433060), (70, 287963544), (76, 265229580), (77, 261785040), (80, 251968101), (84, 239969620), (85, 237146448), (88, 229061910), (95, 212183664), (102, 197622040), (105, 191975696), (110, 183249528), (112, 179977215), (114, 176819720), (119, 169390320), (120, 167978734), (121, 166590480), (132, 152707940), (133, 151559760), (136, 148216530), (140, 143981772), (152, 132614790), (154, 130892520), (165, 122166352), (168, 119984810), (170, 118573224), (176, 114530955), (187, 107793840), (190, 106091832), (204, 98811020), (209, 96447120), (210, 95987848), (220, 91624764), (228, 88409860), (231, 87261680), (238, 84695160), (240, 83989367), (242, 83295240), (255, 79048816), (264, 76353970), (266, 75779880), (272, 74108265), (280, 71990886), (285, 70727888), (304, 66307395), (307, 65659440), (308, 65446260), (323, 62406960), (330, 61083176), (336, 59992405), (340, 59286612), (357, 56463440), (363, 55530160), (374, 53896920), (380, 53045916), (385, 52357008), (399, 50519920), (408, 49405510), (418, 48223560), (420, 47993924), (440, 45812382), (456, 44204930), (462, 43630840), (476, 42347580), (484, 41647620), (510, 39524408), (528, 38176985), (532, 37889940), (560, 35995443), (561, 35931280), (570, 35363944), (595, 33878064), (605, 33318096), (614, 32829720), (616, 32723130), (627, 32149040), (646, 31203480), (660, 30541588), (665, 30311952), (680, 29643306), (714, 28231720), (726, 27765080), (748, 26948460), (760, 26522958), (770, 26178504), (798, 25259960), (816, 24702755), (836, 24111780), (840, 23996962), (847, 23798640), (880, 22906191), (912, 22102465), (921, 21886480), (924, 21815420), (935, 21558768), (952, 21173790), (968, 20823810), (969, 20802320), (1020, 19762204), (1045, 19289424), (1064, 18944970), (1122, 17965640), (1140, 17681972), (1155, 17452336), (1190, 16939032), (1210, 16659048), (1228, 16414860), (1232, 16361565), (1254, 16074520), (1292, 15601740), (1309, 15399120), (1320, 15270794), (1330, 15155976), (1360, 14821653), (1428, 14115860), (1452, 13882540), (1463, 13778160), (1496, 13474230), (1520, 13261479), (1535, 13131888), (1540, 13089252), (1596, 12629980), (1615, 12481392), (1672, 12055890), (1680, 11998481), (1694, 11899320), (1785, 11292688), (1815, 11106032), (1842, 10943240), (1848, 10907710), (1870, 10779384), (1904, 10586895), (1936, 10411905), (1938, 10401160), (1995, 10103984), (2040, 9881102), (2057, 9799440), (2090, 9644712), (2128, 9472485), (2149, 9379920), (2244, 8982820), (2261, 8915280), (2280, 8840986), (2299, 8767920), (2310, 8726168), (2380, 8469516), (2420, 8329524), (2456, 8207430), (2508, 8037260), (2541, 7932880), (2584, 7800870), (2618, 7699560), (2640, 7635397), (2660, 7577988), (2805, 7186256), (2856, 7057930), (2904, 6941270), (2926, 6889080), (2992, 6737115), (3070, 6565944), (3080, 6544626), (3135, 6429808), (3192, 6314990), (3230, 6240696), (3344, 6027945), (3377, 5969040), (3388, 5949660), (3553, 5673360), (3570, 5646344), (3630, 5553016), (3684, 5471620), (3696, 5453855), (3740, 5389692), (3876, 5200580), (3927, 5133040), (3990, 5051992), (4080, 4940551), (4114, 4899720), (4180, 4822356), (4235, 4759728), (4298, 4689960), (4389, 4592720), (4488, 4491410), (4522, 4457640), (4560, 4420493), (4598, 4383960), (4605, 4377296), (4620, 4363084), (4760, 4234758), (4840, 4164762), (4845, 4160464), (4912, 4103715), (5016, 4018630), (5082, 3966440), (5168, 3900435), (5219, 3862320), (5236, 3849780), (5320, 3788994), (5610, 3593128), (5712, 3528965), (5808, 3470635), (5833, 3455760), (5852, 3444540), (6140, 3282972), (6160, 3272313), (6171, 3266480), (6270, 3214904), (6384, 3157495), (6447, 3126640), (6460, 3120348), (6545, 3079824), (6754, 2984520), (6776, 2974830), (6783, 2971760), (6897, 2922640), (7106, 2836680), (7140, 2823172), (7260, 2776508), (7315, 2755632), (7368, 2735810), (7480, 2694846), (7752, 2600290), (7854, 2566520), (7980, 2525996), (8228, 2449860), (8360, 2411178), (8470, 2379864), (8596, 2344980), (8778, 2296360), (8976, 2245705), (9044, 2228820), (9196, 2191980), (9210, 2188648), (9240, 2181542), (9520, 2117379), (9680, 2082381), (9690, 2080232), (10032, 2009315), (10131, 1989680), (10164, 1983220), (10285, 1959888), (10438, 1931160), (10472, 1924890), (10640, 1894497), (10659, 1891120), (10745, 1875984), (11220, 1796564), (11305, 1783056), (11495, 1753584), (11666, 1727880), (11704, 1722270), (12280, 1641486), (12342, 1633240), (12540, 1607452), (12705, 1586576), (12894, 1563320), (12920, 1560174), (13090, 1539912), (13508, 1492260), (13552, 1487415), (13566, 1485880), (13794, 1461320), (14212, 1418340), (14280, 1411586), (14399, 1399920), (14520, 1388254), (14630, 1377816), (14736, 1367905), (14960, 1347423), (15504, 1300145), (15657, 1287440), (15708, 1283260), (15960, 1262998), (16093, 1252560), (16456, 1224930), (16720, 1205589), (16885, 1193808), (16940, 1189932), (17192, 1172490), (17499, 1151920), (17556, 1148180), (17765, 1134672), (18088, 1114410), (18392, 1095990), (18420, 1094324), (18480, 1090771), (19380, 1040116), (19635, 1026608), (20262, 994840), (20328, 991610), (20570, 979944), (20876, 965580), (20944, 962445), (21318, 945560), (21490, 937992), (21945, 918544), (22440, 898282), (22610, 891528), (22990, 876792), (23332, 863940), (23408, 861135), (23639, 852720), (24560, 820743), (24684, 816620), (24871, 810480), (25080, 803726), (25410, 793288), (25788, 781660), (25840, 780087), (26095, 772464), (26180, 769956), (27016, 746130), (27132, 742940), (27588, 730660), (28424, 709170), (28560, 705793), (28798, 699960), (29040, 694127), (29165, 691152), (29260, 688908), (30855, 653296), (31314, 643720), (31416, 641630), (31920, 631499), (32186, 626280), (32235, 625328), (32912, 612465), (33770, 596904), (33880, 594966), (33915, 594352), (34384, 586245), (34485, 584528), (34998, 575960), (35112, 574090), (35530, 567336), (36176, 557205), (36533, 551760), (36784, 547995), (36840, 547162), (37147, 542640), (38760, 520058), (39083, 515760), (39270, 513304), (40524, 497420), (40656, 495805), (40831, 493680), (41140, 489972), (41752, 482790), (42636, 472780), (42980, 468996), (43197, 466640), (43890, 459272), (44880, 449141), (45220, 445764), (45980, 438396), (46664, 431970), (47278, 426360), (48279, 417520), (49368, 408310), (49742, 405240), (50160, 401863), (50655, 397936), (50820, 396644), (51576, 390830), (52190, 386232), (52360, 384978), (53295, 378224), (54032, 373065), (54264, 371470), (55176, 365330), (56848, 354585), (57409, 351120), (57596, 349980), (58330, 345576), (58520, 344454), (61710, 326648), (62628, 321860), (62832, 320815), (64163, 314160), (64372, 313140), (64470, 312664), (67540, 298452), (67760, 297483), (67830, 297176), (68970, 292264), (69996, 287980), (70224, 287045), (70917, 284240), (71060, 283668), (71995, 279984), (73066, 275880), (73680, 273581), (74294, 271320), (74613, 270160), (77520, 260029), (78166, 257880), (78285, 257488), (78540, 256652), (80465, 250512), (81048, 248710), (81662, 246840), (82280, 244986), (83504, 241395), (85272, 236390), (85960, 234498), (86394, 233320), (87495, 230384), (87780, 229636), (90440, 222882), (91960, 219198), (93328, 215985), (94556, 213180), (96558, 208760), (98736, 204155), (99161, 203280), (99484, 202620), (101310, 198968), (101640, 198322), (103152, 195415), (104380, 193116), (104720, 192489), (106590, 189112), (108528, 185735), (109599, 183920), (110352, 182665), (111441, 180880), (114818, 175560), (115192, 174990), (116660, 172788), (117040, 172227), (117249, 171920), (118195, 170544), (122493, 164560), (123420, 163324), (124355, 162096), (125256, 160930), (128326, 157080), (128744, 156570), (128940, 156332), (135080, 149226), (135660, 148588), (137940, 146132), (139992, 143990), (141834, 142120)]