20782177920

素因数分解:

$2^7\times 3^2\times 5^1\times 7^3\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 768

約数和(自身を含む): 85479264000

約数和(自身を除く): 64697086080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 67, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 128, 134, 140, 144, 147, 157, 160, 168, 180, 192, 196, 201, 210, 224, 240, 245, 252, 268, 280, 288, 294, 314, 315, 320, 335, 336, 343, 360, 384, 392, 402, 420, 441, 448, 469, 471, 480, 490, 504, 536, 560, 576, 588, 603, 628, 630, 640, 670, 672, 686, 720, 735, 784, 785, 804, 840, 882, 896, 938, 942, 960, 980, 1005, 1008, 1029, 1072, 1099, 1120, 1152, 1176, 1206, 1256, 1260, 1340, 1344, 1372, 1407, 1413, 1440, 1470, 1568, 1570, 1608, 1680, 1715, 1764, 1876, 1884, 1920, 1960, 2010, 2016, 2058, 2144, 2198, 2205, 2240, 2345, 2352, 2355, 2412, 2512, 2520, 2680, 2688, 2744, 2814, 2826, 2880, 2940, 3015, 3087, 3136, 3140, 3216, 3283, 3297, 3360, 3430, 3528, 3752, 3768, 3920, 4020, 4032, 4116, 4221, 4288, 4396, 4410, 4480, 4690, 4704, 4710, 4824, 5024, 5040, 5145, 5360, 5488, 5495, 5628, 5652, 5760, 5880, 6030, 6174, 6272, 6280, 6432, 6566, 6594, 6720, 6860, 7035, 7056, 7065, 7504, 7536, 7693, 7840, 8040, 8064, 8232, 8442, 8576, 8792, 8820, 9380, 9408, 9420, 9648, 9849, 9891, 10048, 10080, 10290, 10519, 10720, 10976, 10990, 11256, 11304, 11760, 12060, 12348, 12560, 12864, 13132, 13188, 13440, 13720, 14070, 14112, 14130, 15008, 15072, 15386, 15435, 15680, 16080, 16415, 16464, 16485, 16884, 17584, 17640, 18760, 18816, 18840, 19296, 19698, 19782, 20096, 20160, 20580, 21038, 21105, 21440, 21952, 21980, 22512, 22608, 22981, 23079, 23520, 24120, 24696, 25120, 25728, 26264, 26376, 27440, 28140, 28224, 28260, 29547, 30016, 30144, 30772, 30870, 31360, 31557, 32160, 32830, 32928, 32970, 33768, 35168, 35280, 37520, 37680, 38465, 38592, 39396, 39564, 40320, 41160, 42076, 42210, 42880, 43904, 43960, 45024, 45216, 45962, 46158, 47040, 48240, 49245, 49392, 49455, 50240, 52528, 52595, 52752, 53851, 54880, 56280, 56448, 56520, 59094, 60032, 60288, 61544, 61740, 63114, 64320, 65660, 65856, 65940, 67536, 68943, 69237, 70336, 70560, 73633, 75040, 75360, 76930, 77184, 78792, 79128, 82320, 84152, 84420, 87920, 90048, 90432, 91924, 92316, 94080, 94671, 96480, 98490, 98784, 98910, 100480, 105056, 105190, 105504, 107702, 109760, 112560, 113040, 114905, 115395, 118188, 123088, 123480, 126228, 128640, 131320, 131712, 131880, 135072, 137886, 138474, 140672, 141120, 147266, 147735, 150080, 150720, 153860, 157584, 157785, 158256, 161553, 164640, 168304, 168840, 175840, 180096, 180864, 183848, 184632, 189342, 192960, 196980, 197568, 197820, 206829, 210112, 210380, 211008, 215404, 219520, 220899, 225120, 226080, 229810, 230790, 236376, 246176, 246960, 252456, 262640, 263760, 269255, 270144, 275772, 276948, 282240, 294532, 295470, 300160, 301440, 307720, 315168, 315570, 316512, 323106, 329280, 336608, 337680, 344715, 346185, 351680, 367696, 368165, 369264, 378684, 385920, 393960, 395136, 395640, 413658, 420224, 420760, 422016, 430808, 441798, 450240, 452160, 459620, 461580, 472752, 473355, 484659, 492352, 493920, 504912, 515431, 525280, 527520, 538510, 540288, 551544, 553896, 589064, 590940, 615440, 630336, 631140, 633024, 646212, 658560, 662697, 673216, 675360, 689430, 692370, 703360, 735392, 736330, 738528, 757368, 787920, 791280, 807765, 827316, 841520, 861616, 883596, 900480, 904320, 919240, 923160, 945504, 946710, 969318, 984704, 987840, 1009824, 1030862, 1034145, 1050560, 1055040, 1077020, 1103088, 1104495, 1107792, 1178128, 1181880, 1230880, 1260672, 1262280, 1266048, 1292424, 1325394, 1346432, 1350720, 1378860, 1384740, 1470784, 1472660, 1477056, 1514736, 1546293, 1575840, 1582560, 1615530, 1654632, 1683040, 1723232, 1767192, 1838480, 1846320, 1891008, 1893420, 1938636, 1975680, 2019648, 2061724, 2068290, 2101120, 2110080, 2154040, 2206176, 2208990, 2215584, 2356256, 2363760, 2423295, 2461760, 2524560, 2577155, 2584848, 2650788, 2701440, 2757720, 2769480, 2941568, 2945320, 2954112, 3029472, 3092586, 3151680, 3165120, 3231060, 3309264, 3313485, 3366080, 3446464, 3534384, 3608017, 3676960, 3692640, 3782016, 3786840, 3877272, 4039296, 4123448, 4136580, 4308080, 4412352, 4417980, 4431168, 4638879, 4712512, 4727520, 4846590, 4923520, 5049120, 5154310, 5169696, 5301576, 5515440, 5538960, 5890640, 6058944, 6185172, 6303360, 6330240, 6462120, 6618528, 6626970, 6732160, 6892928, 7068768, 7216034, 7353920, 7385280, 7573680, 7731465, 7754544, 8246896, 8273160, 8616160, 8824704, 8835960, 8862336, 9277758, 9425024, 9455040, 9693180, 10098240, 10308620, 10339392, 10603152, 10824051, 11030880, 11077920, 11781280, 12117888, 12370344, 12924240, 13237056, 13253940, 14137536, 14432068, 14707840, 14770560, 15147360, 15462930, 15509088, 16493792, 16546320, 17232320, 17671920, 18040085, 18555516, 18910080, 19386360, 20196480, 20617240, 20678784, 21206304, 21648102, 22061760, 22155840, 23194395, 23562560, 24740688, 25848480, 26474112, 26507880, 28275072, 28864136, 30294720, 30925860, 31018176, 32472153, 32987584, 33092640, 34464640, 35343840, 36080170, 37111032, 38772720, 41234480, 42412608, 43296204, 44123520, 44311680, 46388790, 47125120, 49481376, 51696960, 53015760, 54120255, 57728272, 60589440, 61851720, 62036352, 64944306, 65975168, 66185280, 70687680, 72160340, 74222064, 77545440, 82468960, 84825216, 86592408, 92777580, 98962752, 103393920, 106031520, 108240510, 115456544, 123703440, 129888612, 132370560, 141375360, 144320680, 148444128, 155090880, 162360765, 164937920, 173184816, 185555160, 197925504, 212063040, 216481020, 230913088, 247406880, 259777224, 288641360, 296888256, 310181760, 324721530, 329875840, 346369632, 371110320, 424126080, 432962040, 461826176, 494813760, 519554448, 577282720, 593776512, 649443060, 692739264, 742220640, 865924080, 989627520, 1039108896, 1154565440, 1298886120, 1385478528, 1484441280, 1731848160, 2078217792, 2309130880, 2597772240, 2968882560, 3463696320, 4156435584, 5195544480, 6927392640, 10391088960, 20782177920]

約数ペア:

[(1, 20782177920), (2, 10391088960), (3, 6927392640), (4, 5195544480), (5, 4156435584), (6, 3463696320), (7, 2968882560), (8, 2597772240), (9, 2309130880), (10, 2078217792), (12, 1731848160), (14, 1484441280), (15, 1385478528), (16, 1298886120), (18, 1154565440), (20, 1039108896), (21, 989627520), (24, 865924080), (28, 742220640), (30, 692739264), (32, 649443060), (35, 593776512), (36, 577282720), (40, 519554448), (42, 494813760), (45, 461826176), (48, 432962040), (49, 424126080), (56, 371110320), (60, 346369632), (63, 329875840), (64, 324721530), (67, 310181760), (70, 296888256), (72, 288641360), (80, 259777224), (84, 247406880), (90, 230913088), (96, 216481020), (98, 212063040), (105, 197925504), (112, 185555160), (120, 173184816), (126, 164937920), (128, 162360765), (134, 155090880), (140, 148444128), (144, 144320680), (147, 141375360), (157, 132370560), (160, 129888612), (168, 123703440), (180, 115456544), (192, 108240510), (196, 106031520), (201, 103393920), (210, 98962752), (224, 92777580), (240, 86592408), (245, 84825216), (252, 82468960), (268, 77545440), (280, 74222064), (288, 72160340), (294, 70687680), (314, 66185280), (315, 65975168), (320, 64944306), (335, 62036352), (336, 61851720), (343, 60589440), (360, 57728272), (384, 54120255), (392, 53015760), (402, 51696960), (420, 49481376), (441, 47125120), (448, 46388790), (469, 44311680), (471, 44123520), (480, 43296204), (490, 42412608), (504, 41234480), (536, 38772720), (560, 37111032), (576, 36080170), (588, 35343840), (603, 34464640), (628, 33092640), (630, 32987584), (640, 32472153), (670, 31018176), (672, 30925860), (686, 30294720), (720, 28864136), (735, 28275072), (784, 26507880), (785, 26474112), (804, 25848480), (840, 24740688), (882, 23562560), (896, 23194395), (938, 22155840), (942, 22061760), (960, 21648102), (980, 21206304), (1005, 20678784), (1008, 20617240), (1029, 20196480), (1072, 19386360), (1099, 18910080), (1120, 18555516), (1152, 18040085), (1176, 17671920), (1206, 17232320), (1256, 16546320), (1260, 16493792), (1340, 15509088), (1344, 15462930), (1372, 15147360), (1407, 14770560), (1413, 14707840), (1440, 14432068), (1470, 14137536), (1568, 13253940), (1570, 13237056), (1608, 12924240), (1680, 12370344), (1715, 12117888), (1764, 11781280), (1876, 11077920), (1884, 11030880), (1920, 10824051), (1960, 10603152), (2010, 10339392), (2016, 10308620), (2058, 10098240), (2144, 9693180), (2198, 9455040), (2205, 9425024), (2240, 9277758), (2345, 8862336), (2352, 8835960), (2355, 8824704), (2412, 8616160), (2512, 8273160), (2520, 8246896), (2680, 7754544), (2688, 7731465), (2744, 7573680), (2814, 7385280), (2826, 7353920), (2880, 7216034), (2940, 7068768), (3015, 6892928), (3087, 6732160), (3136, 6626970), (3140, 6618528), (3216, 6462120), (3283, 6330240), (3297, 6303360), (3360, 6185172), (3430, 6058944), (3528, 5890640), (3752, 5538960), (3768, 5515440), (3920, 5301576), (4020, 5169696), (4032, 5154310), (4116, 5049120), (4221, 4923520), (4288, 4846590), (4396, 4727520), (4410, 4712512), (4480, 4638879), (4690, 4431168), (4704, 4417980), (4710, 4412352), (4824, 4308080), (5024, 4136580), (5040, 4123448), (5145, 4039296), (5360, 3877272), (5488, 3786840), (5495, 3782016), (5628, 3692640), (5652, 3676960), (5760, 3608017), (5880, 3534384), (6030, 3446464), (6174, 3366080), (6272, 3313485), (6280, 3309264), (6432, 3231060), (6566, 3165120), (6594, 3151680), (6720, 3092586), (6860, 3029472), (7035, 2954112), (7056, 2945320), (7065, 2941568), (7504, 2769480), (7536, 2757720), (7693, 2701440), (7840, 2650788), (8040, 2584848), (8064, 2577155), (8232, 2524560), (8442, 2461760), (8576, 2423295), (8792, 2363760), (8820, 2356256), (9380, 2215584), (9408, 2208990), (9420, 2206176), (9648, 2154040), (9849, 2110080), (9891, 2101120), (10048, 2068290), (10080, 2061724), (10290, 2019648), (10519, 1975680), (10720, 1938636), (10976, 1893420), (10990, 1891008), (11256, 1846320), (11304, 1838480), (11760, 1767192), (12060, 1723232), (12348, 1683040), (12560, 1654632), (12864, 1615530), (13132, 1582560), (13188, 1575840), (13440, 1546293), (13720, 1514736), (14070, 1477056), (14112, 1472660), (14130, 1470784), (15008, 1384740), (15072, 1378860), (15386, 1350720), (15435, 1346432), (15680, 1325394), (16080, 1292424), (16415, 1266048), (16464, 1262280), (16485, 1260672), (16884, 1230880), (17584, 1181880), (17640, 1178128), (18760, 1107792), (18816, 1104495), (18840, 1103088), (19296, 1077020), (19698, 1055040), (19782, 1050560), (20096, 1034145), (20160, 1030862), (20580, 1009824), (21038, 987840), (21105, 984704), (21440, 969318), (21952, 946710), (21980, 945504), (22512, 923160), (22608, 919240), (22981, 904320), (23079, 900480), (23520, 883596), (24120, 861616), (24696, 841520), (25120, 827316), (25728, 807765), (26264, 791280), (26376, 787920), (27440, 757368), (28140, 738528), (28224, 736330), (28260, 735392), (29547, 703360), (30016, 692370), (30144, 689430), (30772, 675360), (30870, 673216), (31360, 662697), (31557, 658560), (32160, 646212), (32830, 633024), (32928, 631140), (32970, 630336), (33768, 615440), (35168, 590940), (35280, 589064), (37520, 553896), (37680, 551544), (38465, 540288), (38592, 538510), (39396, 527520), (39564, 525280), (40320, 515431), (41160, 504912), (42076, 493920), (42210, 492352), (42880, 484659), (43904, 473355), (43960, 472752), (45024, 461580), (45216, 459620), (45962, 452160), (46158, 450240), (47040, 441798), (48240, 430808), (49245, 422016), (49392, 420760), (49455, 420224), (50240, 413658), (52528, 395640), (52595, 395136), (52752, 393960), (53851, 385920), (54880, 378684), (56280, 369264), (56448, 368165), (56520, 367696), (59094, 351680), (60032, 346185), (60288, 344715), (61544, 337680), (61740, 336608), (63114, 329280), (64320, 323106), (65660, 316512), (65856, 315570), (65940, 315168), (67536, 307720), (68943, 301440), (69237, 300160), (70336, 295470), (70560, 294532), (73633, 282240), (75040, 276948), (75360, 275772), (76930, 270144), (77184, 269255), (78792, 263760), (79128, 262640), (82320, 252456), (84152, 246960), (84420, 246176), (87920, 236376), (90048, 230790), (90432, 229810), (91924, 226080), (92316, 225120), (94080, 220899), (94671, 219520), (96480, 215404), (98490, 211008), (98784, 210380), (98910, 210112), (100480, 206829), (105056, 197820), (105190, 197568), (105504, 196980), (107702, 192960), (109760, 189342), (112560, 184632), (113040, 183848), (114905, 180864), (115395, 180096), (118188, 175840), (123088, 168840), (123480, 168304), (126228, 164640), (128640, 161553), (131320, 158256), (131712, 157785), (131880, 157584), (135072, 153860), (137886, 150720), (138474, 150080), (140672, 147735), (141120, 147266)]