20621341440

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:409

約数の個数: 864

約数和(自身を含む): 88108500480

約数和(自身を除く): 67487159040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 43, 45, 48, 56, 57, 60, 63, 64, 70, 72, 76, 80, 84, 86, 90, 95, 96, 105, 112, 114, 120, 126, 128, 129, 133, 140, 144, 152, 160, 168, 171, 172, 180, 190, 192, 210, 215, 224, 228, 240, 252, 256, 258, 266, 280, 285, 288, 301, 304, 313, 315, 320, 336, 342, 344, 360, 380, 384, 387, 399, 420, 430, 448, 456, 480, 504, 516, 532, 560, 570, 576, 602, 608, 626, 630, 640, 645, 665, 672, 684, 688, 720, 760, 768, 774, 798, 817, 840, 855, 860, 896, 903, 912, 939, 960, 1008, 1032, 1064, 1120, 1140, 1152, 1197, 1204, 1216, 1252, 1260, 1280, 1290, 1330, 1344, 1368, 1376, 1440, 1505, 1520, 1548, 1565, 1596, 1634, 1680, 1710, 1720, 1792, 1806, 1824, 1878, 1920, 1935, 1995, 2016, 2064, 2128, 2191, 2240, 2280, 2304, 2394, 2408, 2432, 2451, 2504, 2520, 2580, 2660, 2688, 2709, 2736, 2752, 2817, 2880, 3010, 3040, 3096, 3130, 3192, 3268, 3360, 3420, 3440, 3612, 3648, 3756, 3840, 3870, 3990, 4032, 4085, 4128, 4256, 4382, 4480, 4515, 4560, 4695, 4788, 4816, 4864, 4902, 5008, 5040, 5160, 5320, 5376, 5418, 5472, 5504, 5634, 5719, 5760, 5947, 5985, 6020, 6080, 6192, 6260, 6384, 6536, 6573, 6720, 6840, 6880, 7224, 7296, 7353, 7512, 7740, 7980, 8064, 8170, 8256, 8512, 8764, 8960, 9030, 9120, 9390, 9576, 9632, 9804, 10016, 10080, 10320, 10640, 10836, 10944, 10955, 11008, 11268, 11438, 11520, 11894, 11970, 12040, 12160, 12255, 12384, 12520, 12768, 13072, 13146, 13440, 13459, 13545, 13680, 13760, 14085, 14448, 14592, 14706, 15024, 15480, 15960, 16128, 16340, 16512, 17024, 17157, 17528, 17841, 18060, 18240, 18780, 19152, 19264, 19608, 19719, 20032, 20160, 20640, 21280, 21672, 21888, 21910, 22536, 22876, 23788, 23940, 24080, 24320, 24510, 24768, 25040, 25536, 26144, 26292, 26880, 26918, 27090, 27360, 27520, 28170, 28595, 28896, 29412, 29735, 30048, 30960, 31920, 32680, 32865, 33024, 34048, 34314, 35056, 35682, 36120, 36480, 36765, 37560, 38304, 38528, 39216, 39438, 40064, 40320, 40377, 41280, 41629, 42560, 43344, 43776, 43820, 45072, 45752, 47576, 47880, 48160, 49020, 49536, 50080, 51072, 51471, 52288, 52584, 53523, 53836, 54180, 54720, 55040, 56340, 57190, 57792, 58824, 59470, 60096, 61920, 63840, 65360, 65730, 67295, 68628, 70112, 71364, 72240, 72960, 73530, 75120, 76608, 77056, 78432, 78876, 80128, 80640, 80754, 82560, 83258, 85120, 85785, 86688, 87640, 89205, 90144, 91504, 94213, 95152, 95760, 96320, 98040, 98595, 99072, 100160, 102144, 102942, 104576, 105168, 107046, 107672, 108360, 109440, 112680, 114380, 115584, 117648, 118940, 120192, 121131, 123840, 124887, 127680, 130720, 131460, 134590, 137256, 140224, 142728, 144480, 147060, 150240, 153216, 156864, 157752, 161508, 165120, 166516, 170240, 171570, 173376, 175280, 178410, 180288, 183008, 188426, 190304, 191520, 192640, 196080, 197190, 200320, 201885, 205884, 208145, 209152, 210336, 214092, 215344, 216720, 218880, 225360, 228760, 231168, 235296, 237880, 240384, 242262, 247680, 249774, 255360, 255721, 257355, 261440, 262920, 267615, 269180, 274512, 280448, 282639, 285456, 288960, 294120, 300480, 306432, 313728, 315504, 323016, 333032, 343140, 346752, 350560, 356820, 360576, 366016, 374661, 376852, 380608, 383040, 385280, 392160, 394380, 400640, 403770, 411768, 416290, 420672, 428184, 430688, 433440, 450720, 457520, 470592, 471065, 475760, 484524, 495360, 499548, 510720, 511442, 514710, 522880, 525840, 535230, 538360, 549024, 560896, 565278, 570912, 577920, 588240, 600960, 605655, 624435, 627456, 631008, 646032, 666064, 686280, 693504, 701120, 713640, 721152, 732032, 749322, 753704, 761216, 766080, 767163, 784320, 788760, 807540, 823536, 832580, 841344, 847917, 856368, 861376, 866880, 901440, 915040, 941184, 942130, 951520, 969048, 999096, 1022884, 1029420, 1045760, 1051680, 1070460, 1076720, 1098048, 1130556, 1141824, 1155840, 1176480, 1201920, 1211310, 1248870, 1262016, 1278605, 1292064, 1332128, 1372560, 1402240, 1413195, 1427280, 1464064, 1498644, 1507408, 1522432, 1532160, 1534326, 1568640, 1577520, 1615080, 1647072, 1665160, 1682688, 1695834, 1712736, 1722752, 1733760, 1790047, 1802880, 1830080, 1873305, 1882368, 1884260, 1903040, 1938096, 1998192, 2045768, 2058840, 2103360, 2140920, 2153440, 2196096, 2261112, 2283648, 2301489, 2352960, 2422620, 2497740, 2524032, 2557210, 2584128, 2664256, 2745120, 2804480, 2826390, 2854560, 2997288, 3014816, 3068652, 3137280, 3155040, 3230160, 3294144, 3330320, 3391668, 3425472, 3445504, 3467520, 3580094, 3605760, 3660160, 3746610, 3768520, 3806080, 3835815, 3876192, 3996384, 4091536, 4117680, 4206720, 4239585, 4281840, 4306880, 4392192, 4522224, 4567296, 4602978, 4705920, 4845240, 4995480, 5048064, 5114420, 5168256, 5328512, 5370141, 5490240, 5652780, 5709120, 5994576, 6029632, 6137304, 6310080, 6460320, 6588288, 6660640, 6783336, 6850944, 7160188, 7320320, 7493220, 7537040, 7612160, 7671630, 7752384, 7992768, 8183072, 8235360, 8413440, 8479170, 8563680, 8613760, 8950235, 9044448, 9205956, 9411840, 9690480, 9990960, 10228840, 10336512, 10657024, 10740282, 10980480, 11305560, 11418240, 11507445, 11989152, 12059264, 12274608, 12620160, 12920640, 13176576, 13321280, 13566672, 13701888, 14320376, 14986440, 15074080, 15343260, 15504768, 15985536, 16110423, 16366144, 16470720, 16958340, 17127360, 17227520, 17900470, 18088896, 18411912, 19380960, 19981920, 20457680, 21480564, 21960960, 22611120, 22836480, 23014890, 23978304, 24118528, 24549216, 25240320, 25841280, 26642560, 26850705, 27133344, 28640752, 29972880, 30148160, 30686520, 31009536, 31971072, 32220846, 32732288, 32941440, 33916680, 34254720, 35800940, 36177792, 36823824, 38761920, 39963840, 40915360, 42961128, 45222240, 46029780, 47956608, 49098432, 51682560, 53285120, 53701410, 54266688, 57281504, 59945760, 60296320, 61373040, 64441692, 65464576, 65882880, 67833360, 68509440, 71601880, 72355584, 73647648, 77523840, 79927680, 80552115, 81830720, 85922256, 90444480, 92059560, 95913216, 98196864, 107402820, 108533376, 114563008, 119891520, 120592640, 122746080, 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約数ペア:

[(1, 20621341440), (2, 10310670720), (3, 6873780480), (4, 5155335360), (5, 4124268288), (6, 3436890240), (7, 2945905920), (8, 2577667680), (9, 2291260160), (10, 2062134144), (12, 1718445120), (14, 1472952960), (15, 1374756096), (16, 1288833840), (18, 1145630080), (19, 1085333760), (20, 1031067072), (21, 981968640), (24, 859222560), (28, 736476480), (30, 687378048), (32, 644416920), (35, 589181184), (36, 572815040), (38, 542666880), (40, 515533536), (42, 490984320), (43, 479566080), (45, 458252032), (48, 429611280), (56, 368238240), (57, 361777920), (60, 343689024), (63, 327322880), (64, 322208460), (70, 294590592), (72, 286407520), (76, 271333440), (80, 257766768), (84, 245492160), (86, 239783040), (90, 229126016), (95, 217066752), (96, 214805640), (105, 196393728), (112, 184119120), (114, 180888960), (120, 171844512), (126, 163661440), (128, 161104230), (129, 159855360), (133, 155047680), (140, 147295296), (144, 143203760), (152, 135666720), (160, 128883384), (168, 122746080), (171, 120592640), (172, 119891520), (180, 114563008), (190, 108533376), (192, 107402820), (210, 98196864), (215, 95913216), (224, 92059560), (228, 90444480), (240, 85922256), (252, 81830720), (256, 80552115), (258, 79927680), (266, 77523840), (280, 73647648), (285, 72355584), (288, 71601880), (301, 68509440), (304, 67833360), (313, 65882880), (315, 65464576), (320, 64441692), (336, 61373040), (342, 60296320), (344, 59945760), (360, 57281504), (380, 54266688), (384, 53701410), (387, 53285120), (399, 51682560), (420, 49098432), (430, 47956608), (448, 46029780), (456, 45222240), (480, 42961128), (504, 40915360), (516, 39963840), (532, 38761920), (560, 36823824), (570, 36177792), (576, 35800940), (602, 34254720), (608, 33916680), (626, 32941440), (630, 32732288), (640, 32220846), (645, 31971072), (665, 31009536), (672, 30686520), (684, 30148160), (688, 29972880), (720, 28640752), (760, 27133344), (768, 26850705), (774, 26642560), (798, 25841280), (817, 25240320), (840, 24549216), (855, 24118528), (860, 23978304), (896, 23014890), (903, 22836480), (912, 22611120), (939, 21960960), (960, 21480564), (1008, 20457680), (1032, 19981920), (1064, 19380960), (1120, 18411912), (1140, 18088896), (1152, 17900470), (1197, 17227520), (1204, 17127360), (1216, 16958340), (1252, 16470720), (1260, 16366144), (1280, 16110423), (1290, 15985536), (1330, 15504768), (1344, 15343260), (1368, 15074080), (1376, 14986440), (1440, 14320376), (1505, 13701888), (1520, 13566672), (1548, 13321280), (1565, 13176576), (1596, 12920640), (1634, 12620160), (1680, 12274608), (1710, 12059264), (1720, 11989152), (1792, 11507445), (1806, 11418240), (1824, 11305560), (1878, 10980480), (1920, 10740282), (1935, 10657024), (1995, 10336512), (2016, 10228840), (2064, 9990960), (2128, 9690480), (2191, 9411840), (2240, 9205956), (2280, 9044448), (2304, 8950235), (2394, 8613760), (2408, 8563680), (2432, 8479170), (2451, 8413440), (2504, 8235360), (2520, 8183072), (2580, 7992768), (2660, 7752384), (2688, 7671630), (2709, 7612160), (2736, 7537040), (2752, 7493220), (2817, 7320320), (2880, 7160188), (3010, 6850944), (3040, 6783336), (3096, 6660640), (3130, 6588288), (3192, 6460320), (3268, 6310080), (3360, 6137304), (3420, 6029632), (3440, 5994576), (3612, 5709120), (3648, 5652780), (3756, 5490240), (3840, 5370141), (3870, 5328512), (3990, 5168256), (4032, 5114420), (4085, 5048064), (4128, 4995480), (4256, 4845240), (4382, 4705920), (4480, 4602978), (4515, 4567296), (4560, 4522224), (4695, 4392192), (4788, 4306880), (4816, 4281840), (4864, 4239585), (4902, 4206720), (5008, 4117680), (5040, 4091536), (5160, 3996384), (5320, 3876192), (5376, 3835815), (5418, 3806080), (5472, 3768520), (5504, 3746610), (5634, 3660160), (5719, 3605760), (5760, 3580094), (5947, 3467520), (5985, 3445504), (6020, 3425472), (6080, 3391668), (6192, 3330320), (6260, 3294144), (6384, 3230160), (6536, 3155040), (6573, 3137280), (6720, 3068652), (6840, 3014816), (6880, 2997288), (7224, 2854560), (7296, 2826390), (7353, 2804480), (7512, 2745120), (7740, 2664256), (7980, 2584128), (8064, 2557210), (8170, 2524032), (8256, 2497740), (8512, 2422620), (8764, 2352960), (8960, 2301489), (9030, 2283648), (9120, 2261112), (9390, 2196096), (9576, 2153440), (9632, 2140920), (9804, 2103360), (10016, 2058840), (10080, 2045768), (10320, 1998192), (10640, 1938096), (10836, 1903040), (10944, 1884260), (10955, 1882368), (11008, 1873305), (11268, 1830080), (11438, 1802880), (11520, 1790047), (11894, 1733760), (11970, 1722752), (12040, 1712736), (12160, 1695834), (12255, 1682688), (12384, 1665160), (12520, 1647072), (12768, 1615080), (13072, 1577520), (13146, 1568640), (13440, 1534326), (13459, 1532160), (13545, 1522432), (13680, 1507408), (13760, 1498644), (14085, 1464064), (14448, 1427280), (14592, 1413195), (14706, 1402240), (15024, 1372560), (15480, 1332128), (15960, 1292064), (16128, 1278605), (16340, 1262016), (16512, 1248870), (17024, 1211310), (17157, 1201920), (17528, 1176480), (17841, 1155840), (18060, 1141824), (18240, 1130556), (18780, 1098048), (19152, 1076720), (19264, 1070460), (19608, 1051680), (19719, 1045760), (20032, 1029420), (20160, 1022884), (20640, 999096), (21280, 969048), (21672, 951520), (21888, 942130), (21910, 941184), (22536, 915040), (22876, 901440), (23788, 866880), (23940, 861376), (24080, 856368), (24320, 847917), (24510, 841344), (24768, 832580), (25040, 823536), (25536, 807540), (26144, 788760), (26292, 784320), (26880, 767163), (26918, 766080), (27090, 761216), (27360, 753704), (27520, 749322), (28170, 732032), (28595, 721152), (28896, 713640), (29412, 701120), (29735, 693504), (30048, 686280), (30960, 666064), (31920, 646032), (32680, 631008), (32865, 627456), (33024, 624435), (34048, 605655), (34314, 600960), (35056, 588240), (35682, 577920), (36120, 570912), (36480, 565278), (36765, 560896), (37560, 549024), (38304, 538360), (38528, 535230), (39216, 525840), (39438, 522880), (40064, 514710), (40320, 511442), (40377, 510720), (41280, 499548), (41629, 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(96320, 214092), (98040, 210336), (98595, 209152), (99072, 208145), (100160, 205884), (102144, 201885), (102942, 200320), (104576, 197190), (105168, 196080), (107046, 192640), (107672, 191520), (108360, 190304), (109440, 188426), (112680, 183008), (114380, 180288), (115584, 178410), (117648, 175280), (118940, 173376), (120192, 171570), (121131, 170240), (123840, 166516), (124887, 165120), (127680, 161508), (130720, 157752), (131460, 156864), (134590, 153216), (137256, 150240), (140224, 147060), (142728, 144480)]