20658462720

素因数分解:

$2^{13}\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:168

約数の個数: 672

約数和(自身を含む): 79607225088

約数和(自身を除く): 58948762368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 47, 48, 49, 56, 60, 64, 70, 73, 80, 84, 94, 96, 98, 105, 112, 120, 128, 140, 141, 146, 147, 160, 168, 188, 192, 196, 210, 219, 224, 235, 240, 245, 256, 280, 282, 292, 294, 320, 329, 336, 365, 376, 384, 392, 420, 438, 448, 470, 480, 490, 511, 512, 560, 564, 584, 588, 640, 658, 672, 705, 730, 735, 752, 768, 784, 840, 876, 896, 940, 960, 980, 987, 1022, 1024, 1095, 1120, 1128, 1168, 1176, 1280, 1316, 1344, 1410, 1460, 1470, 1504, 1533, 1536, 1568, 1645, 1680, 1752, 1792, 1880, 1920, 1960, 1974, 2044, 2048, 2190, 2240, 2256, 2303, 2336, 2352, 2555, 2560, 2632, 2688, 2820, 2920, 2940, 3008, 3066, 3072, 3136, 3290, 3360, 3431, 3504, 3577, 3584, 3760, 3840, 3920, 3948, 4088, 4096, 4380, 4480, 4512, 4606, 4672, 4704, 4935, 5110, 5120, 5264, 5376, 5640, 5840, 5880, 6016, 6132, 6144, 6272, 6580, 6720, 6862, 6909, 7008, 7154, 7168, 7520, 7665, 7680, 7840, 7896, 8176, 8192, 8760, 8960, 9024, 9212, 9344, 9408, 9870, 10220, 10240, 10293, 10528, 10731, 10752, 11280, 11515, 11680, 11760, 12032, 12264, 12288, 12544, 13160, 13440, 13724, 13818, 14016, 14308, 14336, 15040, 15330, 15360, 15680, 15792, 16352, 17155, 17520, 17885, 17920, 18048, 18424, 18688, 18816, 19740, 20440, 20480, 20586, 21056, 21462, 21504, 22560, 23030, 23360, 23520, 24017, 24064, 24528, 24576, 25088, 26320, 26880, 27448, 27636, 28032, 28616, 28672, 30080, 30660, 30720, 31360, 31584, 32704, 34310, 34545, 35040, 35770, 35840, 36096, 36848, 37376, 37632, 39480, 40880, 40960, 41172, 42112, 42924, 43008, 45120, 46060, 46720, 47040, 48034, 48128, 49056, 50176, 51465, 52640, 53655, 53760, 54896, 55272, 56064, 57232, 57344, 60160, 61320, 61440, 62720, 63168, 65408, 68620, 69090, 70080, 71540, 71680, 72051, 72192, 73696, 74752, 75264, 78960, 81760, 82344, 84224, 85848, 86016, 90240, 92120, 93440, 94080, 96068, 96256, 98112, 100352, 102930, 105280, 107310, 107520, 109792, 110544, 112128, 114464, 120085, 120320, 122640, 122880, 125440, 126336, 130816, 137240, 138180, 140160, 143080, 143360, 144102, 144384, 147392, 149504, 150528, 157920, 163520, 164688, 168119, 168448, 171696, 172032, 180480, 184240, 186880, 188160, 192136, 192512, 196224, 200704, 205860, 210560, 214620, 215040, 219584, 221088, 224256, 228928, 240170, 240640, 245280, 250880, 252672, 261632, 274480, 276360, 280320, 286160, 286720, 288204, 288768, 294784, 299008, 301056, 315840, 327040, 329376, 336238, 336896, 343392, 360255, 360960, 368480, 373760, 376320, 384272, 385024, 392448, 401408, 411720, 421120, 429240, 430080, 439168, 442176, 448512, 457856, 480340, 481280, 490560, 501760, 504357, 505344, 523264, 548960, 552720, 560640, 572320, 576408, 577536, 589568, 598016, 602112, 631680, 654080, 658752, 672476, 673792, 686784, 720510, 721920, 736960, 747520, 752640, 768544, 784896, 823440, 840595, 842240, 858480, 860160, 878336, 884352, 897024, 915712, 960680, 962560, 981120, 1003520, 1008714, 1010688, 1046528, 1097920, 1105440, 1121280, 1144640, 1152816, 1155072, 1179136, 1204224, 1263360, 1308160, 1317504, 1344952, 1347584, 1373568, 1441020, 1443840, 1473920, 1495040, 1505280, 1537088, 1569792, 1646880, 1681190, 1684480, 1716960, 1756672, 1768704, 1794048, 1831424, 1921360, 1925120, 1962240, 2007040, 2017428, 2021376, 2093056, 2195840, 2210880, 2242560, 2289280, 2305632, 2358272, 2521785, 2526720, 2616320, 2635008, 2689904, 2695168, 2747136, 2882040, 2887680, 2947840, 2990080, 3010560, 3074176, 3139584, 3293760, 3362380, 3368960, 3433920, 3513344, 3537408, 3662848, 3842720, 3924480, 4034856, 4042752, 4186112, 4391680, 4421760, 4485120, 4578560, 4611264, 4716544, 5043570, 5053440, 5232640, 5270016, 5379808, 5494272, 5764080, 5775360, 5895680, 6021120, 6148352, 6279168, 6587520, 6724760, 6737920, 6867840, 7026688, 7074816, 7325696, 7685440, 7848960, 8069712, 8085504, 8783360, 8843520, 8970240, 9157120, 9222528, 9433088, 10087140, 10106880, 10465280, 10540032, 10759616, 10988544, 11528160, 11791360, 12296704, 12558336, 13175040, 13449520, 13475840, 13735680, 14053376, 14149632, 14651392, 15370880, 15697920, 16139424, 17566720, 17687040, 18314240, 18445056, 18866176, 20174280, 20213760, 20930560, 21080064, 21519232, 21977088, 23056320, 23582720, 24593408, 26350080, 26899040, 27471360, 28106752, 28299264, 29302784, 30741760, 31395840, 32278848, 35133440, 35374080, 36628480, 36890112, 40348560, 40427520, 42160128, 43038464, 43954176, 46112640, 47165440, 49186816, 52700160, 53798080, 54942720, 56598528, 61483520, 62791680, 64557696, 70266880, 70748160, 73256960, 73780224, 80697120, 84320256, 86076928, 87908352, 92225280, 94330880, 98373632, 105400320, 107596160, 109885440, 122967040, 129115392, 140533760, 141496320, 146513920, 147560448, 161394240, 172153856, 184450560, 196747264, 210800640, 215192320, 219770880, 245934080, 258230784, 282992640, 295120896, 322788480, 344307712, 368901120, 421601280, 430384640, 439541760, 491868160, 516461568, 590241792, 645576960, 688615424, 737802240, 860769280, 983736320, 1032923136, 1291153920, 1377230848, 1475604480, 1721538560, 2065846272, 2582307840, 2951208960, 3443077120, 4131692544, 5164615680, 6886154240, 10329231360, 20658462720]

約数ペア:

[(1, 20658462720), (2, 10329231360), (3, 6886154240), (4, 5164615680), (5, 4131692544), (6, 3443077120), (7, 2951208960), (8, 2582307840), (10, 2065846272), (12, 1721538560), (14, 1475604480), (15, 1377230848), (16, 1291153920), (20, 1032923136), (21, 983736320), (24, 860769280), (28, 737802240), (30, 688615424), (32, 645576960), (35, 590241792), (40, 516461568), (42, 491868160), (47, 439541760), (48, 430384640), (49, 421601280), (56, 368901120), (60, 344307712), (64, 322788480), (70, 295120896), (73, 282992640), (80, 258230784), (84, 245934080), (94, 219770880), (96, 215192320), (98, 210800640), (105, 196747264), (112, 184450560), (120, 172153856), (128, 161394240), (140, 147560448), (141, 146513920), (146, 141496320), (147, 140533760), (160, 129115392), (168, 122967040), (188, 109885440), (192, 107596160), (196, 105400320), (210, 98373632), (219, 94330880), (224, 92225280), (235, 87908352), (240, 86076928), (245, 84320256), (256, 80697120), (280, 73780224), (282, 73256960), (292, 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(1880, 10988544), (1920, 10759616), (1960, 10540032), (1974, 10465280), (2044, 10106880), (2048, 10087140), (2190, 9433088), (2240, 9222528), (2256, 9157120), (2303, 8970240), (2336, 8843520), (2352, 8783360), (2555, 8085504), (2560, 8069712), (2632, 7848960), (2688, 7685440), (2820, 7325696), (2920, 7074816), (2940, 7026688), (3008, 6867840), (3066, 6737920), (3072, 6724760), (3136, 6587520), (3290, 6279168), (3360, 6148352), (3431, 6021120), (3504, 5895680), (3577, 5775360), (3584, 5764080), (3760, 5494272), (3840, 5379808), (3920, 5270016), (3948, 5232640), (4088, 5053440), (4096, 5043570), (4380, 4716544), (4480, 4611264), (4512, 4578560), (4606, 4485120), (4672, 4421760), (4704, 4391680), (4935, 4186112), (5110, 4042752), (5120, 4034856), (5264, 3924480), (5376, 3842720), (5640, 3662848), (5840, 3537408), (5880, 3513344), (6016, 3433920), (6132, 3368960), (6144, 3362380), (6272, 3293760), (6580, 3139584), (6720, 3074176), (6862, 3010560), (6909, 2990080), (7008, 2947840), (7154, 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(21504, 960680), (22560, 915712), (23030, 897024), (23360, 884352), (23520, 878336), (24017, 860160), (24064, 858480), (24528, 842240), (24576, 840595), (25088, 823440), (26320, 784896), (26880, 768544), (27448, 752640), (27636, 747520), (28032, 736960), (28616, 721920), (28672, 720510), (30080, 686784), (30660, 673792), (30720, 672476), (31360, 658752), (31584, 654080), (32704, 631680), (34310, 602112), (34545, 598016), (35040, 589568), (35770, 577536), (35840, 576408), (36096, 572320), (36848, 560640), (37376, 552720), (37632, 548960), (39480, 523264), (40880, 505344), (40960, 504357), (41172, 501760), (42112, 490560), (42924, 481280), (43008, 480340), (45120, 457856), (46060, 448512), (46720, 442176), (47040, 439168), (48034, 430080), (48128, 429240), (49056, 421120), (50176, 411720), (51465, 401408), (52640, 392448), (53655, 385024), (53760, 384272), (54896, 376320), (55272, 373760), (56064, 368480), (57232, 360960), (57344, 360255), (60160, 343392), (61320, 336896), (61440, 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