20781055680

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{719}}^1$

素因数の和:797

約数の個数: 896

約数和(自身を含む): 91012792320

約数和(自身を除く): 70231736640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 17, 20, 21, 22, 23, 24, 28, 30, 32, 33, 34, 35, 40, 42, 44, 46, 48, 51, 55, 56, 60, 64, 66, 68, 69, 70, 77, 80, 84, 85, 88, 92, 96, 102, 105, 110, 112, 115, 119, 120, 132, 136, 138, 140, 154, 160, 161, 165, 168, 170, 176, 184, 187, 192, 204, 210, 220, 224, 230, 231, 238, 240, 253, 255, 264, 272, 276, 280, 308, 320, 322, 330, 336, 340, 345, 352, 357, 368, 374, 385, 391, 408, 420, 440, 448, 460, 462, 476, 480, 483, 506, 510, 528, 544, 552, 560, 561, 595, 616, 644, 660, 672, 680, 690, 704, 714, 719, 736, 748, 759, 770, 782, 805, 816, 840, 880, 920, 924, 935, 952, 960, 966, 1012, 1020, 1056, 1088, 1104, 1120, 1122, 1155, 1173, 1190, 1232, 1265, 1288, 1309, 1320, 1344, 1360, 1380, 1428, 1438, 1472, 1496, 1518, 1540, 1564, 1610, 1632, 1680, 1760, 1771, 1785, 1840, 1848, 1870, 1904, 1932, 1955, 2024, 2040, 2112, 2157, 2208, 2240, 2244, 2310, 2346, 2380, 2415, 2464, 2530, 2576, 2618, 2640, 2720, 2737, 2760, 2805, 2856, 2876, 2992, 3036, 3080, 3128, 3220, 3264, 3360, 3520, 3542, 3570, 3595, 3680, 3696, 3740, 3795, 3808, 3864, 3910, 3927, 4048, 4080, 4301, 4314, 4416, 4488, 4620, 4692, 4760, 4830, 4928, 5033, 5060, 5152, 5236, 5280, 5313, 5440, 5474, 5520, 5610, 5712, 5752, 5865, 5984, 6072, 6160, 6256, 6440, 6545, 6720, 7084, 7140, 7190, 7360, 7392, 7480, 7590, 7616, 7728, 7820, 7854, 7909, 8096, 8160, 8211, 8602, 8628, 8855, 8976, 9240, 9384, 9520, 9660, 10066, 10120, 10304, 10472, 10560, 10626, 10785, 10948, 11040, 11220, 11424, 11504, 11730, 11968, 12144, 12223, 12320, 12512, 12880, 12903, 13090, 13685, 14168, 14280, 14380, 14784, 14960, 15099, 15180, 15456, 15640, 15708, 15818, 16192, 16320, 16422, 16537, 17204, 17256, 17710, 17952, 18480, 18768, 19040, 19320, 19635, 20132, 20240, 20944, 21252, 21505, 21570, 21896, 22080, 22440, 22848, 23008, 23460, 23727, 24288, 24446, 24640, 25024, 25165, 25760, 25806, 26180, 26565, 27370, 28336, 28560, 28760, 29920, 30107, 30198, 30360, 30912, 31280, 31416, 31636, 32844, 33074, 34408, 34512, 35420, 35904, 36669, 36960, 37536, 38080, 38640, 39270, 39545, 40264, 40480, 41055, 41888, 42504, 43010, 43140, 43792, 44880, 46016, 46920, 47454, 48576, 48892, 49611, 50330, 51520, 51612, 52360, 53130, 54740, 55363, 56672, 57120, 57520, 59840, 60214, 60396, 60720, 61115, 62560, 62832, 63272, 64515, 65688, 66148, 68816, 69024, 70840, 73338, 73920, 75072, 75495, 77280, 78540, 79090, 80528, 80960, 82110, 82685, 83776, 85008, 85561, 86020, 86280, 87584, 89760, 90321, 93840, 94908, 97784, 99222, 100660, 103224, 104720, 106260, 109480, 110726, 113344, 114240, 115040, 115759, 118635, 120428, 120792, 121440, 122230, 125120, 125664, 126544, 129030, 131376, 132296, 134453, 137632, 138048, 141680, 146676, 150535, 150990, 154560, 157080, 158180, 161056, 164220, 165370, 166089, 170016, 171122, 172040, 172560, 175168, 179520, 180642, 181907, 183345, 187680, 189816, 195568, 198444, 201320, 206448, 209440, 212520, 218960, 221452, 230080, 231518, 237270, 240856, 241584, 242880, 244460, 248055, 251328, 253088, 256683, 258060, 262752, 264592, 268906, 275264, 276815, 281129, 283360, 293352, 301070, 301980, 314160, 316360, 322112, 328440, 330740, 332178, 340032, 342244, 344080, 345120, 347277, 361284, 363814, 366690, 375360, 379632, 391136, 396888, 402640, 403359, 412896, 418880, 425040, 427805, 437920, 442904, 451605, 463036, 474540, 481712, 483168, 488920, 496110, 506176, 513366, 516120, 525504, 529184, 537812, 545721, 553630, 562258, 566720, 578795, 586704, 602140, 603960, 628320, 632720, 656880, 661480, 664356, 672265, 684488, 688160, 690240, 694554, 722568, 727628, 733380, 759264, 782272, 793776, 805280, 806718, 825792, 830445, 843387, 850080, 855610, 875840, 885808, 903210, 909535, 926072, 941171, 949080, 963424, 966336, 977840, 992220, 1026732, 1032240, 1058368, 1075624, 1091442, 1107260, 1124516, 1157590, 1173408, 1204280, 1207920, 1256640, 1265440, 1273349, 1283415, 1313760, 1322960, 1328712, 1344530, 1368976, 1376320, 1389108, 1405645, 1445136, 1455256, 1466760, 1518528, 1587552, 1610560, 1613436, 1660890, 1686774, 1700160, 1711220, 1736385, 1771616, 1806420, 1819070, 1852144, 1882342, 1898160, 1926848, 1955680, 1967903, 1984440, 2016795, 2053464, 2064480, 2151248, 2182884, 2214520, 2249032, 2315180, 2346816, 2408560, 2415840, 2530880, 2546698, 2566830, 2627520, 2645920, 2657424, 2689060, 2728605, 2737952, 2778216, 2811290, 2823513, 2890272, 2910512, 2933520, 3092419, 3175104, 3226872, 3321780, 3373548, 3422440, 3472770, 3543232, 3612840, 3638140, 3704288, 3764684, 3796320, 3820047, 3911360, 3935806, 3968880, 4033590, 4106928, 4128960, 4216935, 4302496, 4365768, 4429040, 4498064, 4630360, 4705855, 4817120, 4831680, 5093396, 5133660, 5291840, 5314848, 5378120, 5457210, 5475904, 5556432, 5622580, 5647026, 5780544, 5821024, 5867040, 5903709, 6184838, 6366745, 6453744, 6643560, 6747096, 6844880, 6945540, 7225680, 7276280, 7408576, 7529368, 7592640, 7640094, 7871612, 7937760, 8067180, 8213856, 8433870, 8604992, 8731536, 8858080, 8996128, 9260720, 9277257, 9411710, 9634240, 9839515, 10186792, 10267320, 10629696, 10756240, 10914420, 11112864, 11245160, 11294052, 11642048, 11734080, 11807418, 12369676, 12733490, 12907488, 13287120, 13494192, 13689760, 13891080, 14117565, 14451360, 14552560, 15058736, 15280188, 15462095, 15743224, 15875520, 16134360, 16427712, 16867740, 17463072, 17716160, 17992256, 18521440, 18554514, 18823420, 19100235, 19679030, 20373584, 20534640, 21512480, 21646933, 21828840, 22225728, 22490320, 22588104, 23614836, 24739352, 25466980, 25814976, 26574240, 26988384, 27379520, 27782160, 28235130, 28902720, 29105120, 29518545, 30117472, 30560376, 30924190, 31486448, 32268720, 33735480, 34926144, 37042880, 37109028, 37646840, 38200470, 39358060, 40747168, 41069280, 43024960, 43293866, 43657680, 44980640, 45176208, 46386285, 47229672, 49478704, 50933960, 53148480, 53976768, 55564320, 56470260, 58210240, 59037090, 60234944, 61120752, 61848380, 62972896, 64537440, 64940799, 67470960, 74218056, 75293680, 76400940, 78716120, 81494336, 82138560, 86587732, 87315360, 89961280, 90352416, 92772570, 94459344, 98957408, 101867920, 108234665, 111128640, 112940520, 118074180, 122241504, 123696760, 125945792, 129074880, 129881598, 134941920, 148436112, 150587360, 152801880, 157432240, 173175464, 174630720, 180704832, 185545140, 188918688, 197914816, 203735840, 216469330, 225881040, 236148360, 244483008, 247393520, 259763196, 269883840, 296872224, 301174720, 305603760, 314864480, 324703995, 346350928, 371090280, 377837376, 407471680, 432938660, 451762080, 472296720, 494787040, 519526392, 593744448, 611207520, 629728960, 649407990, 692701856, 742180560, 865877320, 903524160, 944593440, 989574080, 1039052784, 1222415040, 1298815980, 1385403712, 1484361120, 1731754640, 1889186880, 2078105568, 2597631960, 2968722240, 3463509280, 4156211136, 5195263920, 6927018560, 10390527840, 20781055680]

約数ペア:

[(1, 20781055680), (2, 10390527840), (3, 6927018560), (4, 5195263920), (5, 4156211136), (6, 3463509280), (7, 2968722240), (8, 2597631960), (10, 2078105568), (11, 1889186880), (12, 1731754640), (14, 1484361120), (15, 1385403712), (16, 1298815980), (17, 1222415040), (20, 1039052784), (21, 989574080), (22, 944593440), (23, 903524160), (24, 865877320), (28, 742180560), (30, 692701856), (32, 649407990), (33, 629728960), (34, 611207520), (35, 593744448), (40, 519526392), (42, 494787040), (44, 472296720), (46, 451762080), (48, 432938660), (51, 407471680), (55, 377837376), (56, 371090280), (60, 346350928), (64, 324703995), (66, 314864480), (68, 305603760), (69, 301174720), (70, 296872224), (77, 269883840), (80, 259763196), (84, 247393520), (85, 244483008), (88, 236148360), (92, 225881040), (96, 216469330), (102, 203735840), (105, 197914816), (110, 188918688), (112, 185545140), (115, 180704832), (119, 174630720), (120, 173175464), (132, 157432240), (136, 152801880), (138, 150587360), (140, 148436112), (154, 134941920), (160, 129881598), (161, 129074880), (165, 125945792), (168, 123696760), (170, 122241504), (176, 118074180), (184, 112940520), (187, 111128640), (192, 108234665), (204, 101867920), (210, 98957408), (220, 94459344), (224, 92772570), (230, 90352416), (231, 89961280), (238, 87315360), (240, 86587732), (253, 82138560), (255, 81494336), (264, 78716120), (272, 76400940), (276, 75293680), (280, 74218056), (308, 67470960), (320, 64940799), (322, 64537440), (330, 62972896), (336, 61848380), (340, 61120752), (345, 60234944), (352, 59037090), (357, 58210240), (368, 56470260), (374, 55564320), (385, 53976768), (391, 53148480), (408, 50933960), (420, 49478704), (440, 47229672), (448, 46386285), (460, 45176208), (462, 44980640), (476, 43657680), (480, 43293866), (483, 43024960), (506, 41069280), (510, 40747168), (528, 39358060), (544, 38200470), (552, 37646840), (560, 37109028), (561, 37042880), (595, 34926144), (616, 33735480), (644, 32268720), (660, 31486448), (672, 30924190), (680, 30560376), (690, 30117472), (704, 29518545), (714, 29105120), (719, 28902720), (736, 28235130), (748, 27782160), (759, 27379520), (770, 26988384), (782, 26574240), (805, 25814976), (816, 25466980), (840, 24739352), (880, 23614836), (920, 22588104), (924, 22490320), (935, 22225728), (952, 21828840), (960, 21646933), (966, 21512480), (1012, 20534640), (1020, 20373584), (1056, 19679030), (1088, 19100235), (1104, 18823420), (1120, 18554514), (1122, 18521440), (1155, 17992256), (1173, 17716160), (1190, 17463072), (1232, 16867740), (1265, 16427712), (1288, 16134360), (1309, 15875520), (1320, 15743224), (1344, 15462095), (1360, 15280188), (1380, 15058736), (1428, 14552560), (1438, 14451360), (1472, 14117565), (1496, 13891080), (1518, 13689760), (1540, 13494192), (1564, 13287120), (1610, 12907488), (1632, 12733490), (1680, 12369676), (1760, 11807418), (1771, 11734080), (1785, 11642048), (1840, 11294052), (1848, 11245160), (1870, 11112864), (1904, 10914420), (1932, 10756240), (1955, 10629696), (2024, 10267320), (2040, 10186792), (2112, 9839515), (2157, 9634240), (2208, 9411710), (2240, 9277257), (2244, 9260720), (2310, 8996128), (2346, 8858080), (2380, 8731536), (2415, 8604992), (2464, 8433870), (2530, 8213856), (2576, 8067180), (2618, 7937760), (2640, 7871612), (2720, 7640094), (2737, 7592640), (2760, 7529368), (2805, 7408576), (2856, 7276280), (2876, 7225680), (2992, 6945540), (3036, 6844880), (3080, 6747096), (3128, 6643560), (3220, 6453744), (3264, 6366745), (3360, 6184838), (3520, 5903709), (3542, 5867040), (3570, 5821024), (3595, 5780544), (3680, 5647026), (3696, 5622580), (3740, 5556432), (3795, 5475904), (3808, 5457210), (3864, 5378120), (3910, 5314848), (3927, 5291840), (4048, 5133660), (4080, 5093396), (4301, 4831680), (4314, 4817120), (4416, 4705855), (4488, 4630360), (4620, 4498064), (4692, 4429040), (4760, 4365768), (4830, 4302496), (4928, 4216935), (5033, 4128960), (5060, 4106928), (5152, 4033590), (5236, 3968880), (5280, 3935806), (5313, 3911360), (5440, 3820047), (5474, 3796320), (5520, 3764684), (5610, 3704288), (5712, 3638140), (5752, 3612840), (5865, 3543232), (5984, 3472770), (6072, 3422440), (6160, 3373548), (6256, 3321780), (6440, 3226872), (6545, 3175104), (6720, 3092419), (7084, 2933520), (7140, 2910512), (7190, 2890272), (7360, 2823513), (7392, 2811290), (7480, 2778216), (7590, 2737952), (7616, 2728605), (7728, 2689060), (7820, 2657424), (7854, 2645920), (7909, 2627520), (8096, 2566830), (8160, 2546698), (8211, 2530880), (8602, 2415840), (8628, 2408560), (8855, 2346816), (8976, 2315180), (9240, 2249032), (9384, 2214520), (9520, 2182884), (9660, 2151248), (10066, 2064480), (10120, 2053464), (10304, 2016795), (10472, 1984440), (10560, 1967903), (10626, 1955680), (10785, 1926848), (10948, 1898160), (11040, 1882342), (11220, 1852144), (11424, 1819070), (11504, 1806420), (11730, 1771616), (11968, 1736385), (12144, 1711220), (12223, 1700160), (12320, 1686774), (12512, 1660890), (12880, 1613436), (12903, 1610560), (13090, 1587552), (13685, 1518528), (14168, 1466760), (14280, 1455256), (14380, 1445136), (14784, 1405645), (14960, 1389108), (15099, 1376320), (15180, 1368976), (15456, 1344530), (15640, 1328712), (15708, 1322960), (15818, 1313760), (16192, 1283415), (16320, 1273349), (16422, 1265440), (16537, 1256640), (17204, 1207920), (17256, 1204280), (17710, 1173408), (17952, 1157590), (18480, 1124516), (18768, 1107260), (19040, 1091442), (19320, 1075624), (19635, 1058368), (20132, 1032240), (20240, 1026732), (20944, 992220), (21252, 977840), (21505, 966336), (21570, 963424), (21896, 949080), (22080, 941171), (22440, 926072), (22848, 909535), (23008, 903210), (23460, 885808), (23727, 875840), (24288, 855610), (24446, 850080), (24640, 843387), (25024, 830445), (25165, 825792), (25760, 806718), (25806, 805280), (26180, 793776), (26565, 782272), (27370, 759264), (28336, 733380), (28560, 727628), (28760, 722568), (29920, 694554), (30107, 690240), (30198, 688160), (30360, 684488), (30912, 672265), (31280, 664356), (31416, 661480), (31636, 656880), (32844, 632720), (33074, 628320), (34408, 603960), (34512, 602140), (35420, 586704), (35904, 578795), (36669, 566720), (36960, 562258), (37536, 553630), (38080, 545721), (38640, 537812), (39270, 529184), (39545, 525504), (40264, 516120), (40480, 513366), (41055, 506176), (41888, 496110), (42504, 488920), (43010, 483168), (43140, 481712), (43792, 474540), (44880, 463036), (46016, 451605), (46920, 442904), (47454, 437920), (48576, 427805), (48892, 425040), (49611, 418880), (50330, 412896), (51520, 403359), (51612, 402640), (52360, 396888), (53130, 391136), (54740, 379632), (55363, 375360), (56672, 366690), (57120, 363814), (57520, 361284), (59840, 347277), (60214, 345120), (60396, 344080), (60720, 342244), (61115, 340032), (62560, 332178), (62832, 330740), (63272, 328440), (64515, 322112), (65688, 316360), (66148, 314160), (68816, 301980), (69024, 301070), (70840, 293352), (73338, 283360), (73920, 281129), (75072, 276815), (75495, 275264), (77280, 268906), (78540, 264592), (79090, 262752), (80528, 258060), (80960, 256683), (82110, 253088), (82685, 251328), (83776, 248055), (85008, 244460), (85561, 242880), (86020, 241584), (86280, 240856), (87584, 237270), (89760, 231518), (90321, 230080), (93840, 221452), (94908, 218960), (97784, 212520), (99222, 209440), (100660, 206448), (103224, 201320), (104720, 198444), (106260, 195568), (109480, 189816), (110726, 187680), (113344, 183345), (114240, 181907), (115040, 180642), (115759, 179520), (118635, 175168), (120428, 172560), (120792, 172040), (121440, 171122), (122230, 170016), (125120, 166089), (125664, 165370), (126544, 164220), (129030, 161056), (131376, 158180), (132296, 157080), (134453, 154560), (137632, 150990), (138048, 150535), (141680, 146676)]