20120389920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{1291}}^1$

素因数の和:1528

約数の個数: 288

約数和(自身を含む): 70091723520

約数和(自身を除く): 49971333600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 79, 80, 90, 96, 120, 137, 144, 158, 160, 180, 237, 240, 274, 288, 316, 360, 395, 411, 474, 480, 548, 632, 685, 711, 720, 790, 822, 948, 1096, 1185, 1233, 1264, 1291, 1370, 1422, 1440, 1580, 1644, 1896, 2055, 2192, 2370, 2466, 2528, 2582, 2740, 2844, 3160, 3288, 3555, 3792, 3873, 4110, 4384, 4740, 4932, 5164, 5480, 5688, 6165, 6320, 6455, 6576, 7110, 7584, 7746, 8220, 9480, 9864, 10328, 10823, 10960, 11376, 11619, 12330, 12640, 12910, 13152, 14220, 15492, 16440, 18960, 19365, 19728, 20656, 21646, 21920, 22752, 23238, 24660, 25820, 28440, 30984, 32469, 32880, 37920, 38730, 39456, 41312, 43292, 46476, 49320, 51640, 54115, 56880, 58095, 61968, 64938, 65760, 77460, 86584, 92952, 97407, 98640, 101989, 103280, 108230, 113760, 116190, 123936, 129876, 154920, 162345, 173168, 176867, 185904, 194814, 197280, 203978, 206560, 216460, 232380, 259752, 305967, 309840, 324690, 346336, 353734, 371808, 389628, 407956, 432920, 464760, 487035, 509945, 519504, 530601, 611934, 619680, 649380, 707468, 779256, 815912, 865840, 884335, 917901, 929520, 974070, 1019890, 1039008, 1061202, 1223868, 1298760, 1414936, 1529835, 1558512, 1591803, 1631824, 1731680, 1768670, 1835802, 1859040, 1948140, 2039780, 2122404, 2447736, 2597520, 2653005, 2829872, 3059670, 3117024, 3183606, 3263648, 3537340, 3671604, 3896280, 4079560, 4244808, 4589505, 4895472, 5195040, 5306010, 5659744, 6119340, 6367212, 7074680, 7343208, 7792560, 7959015, 8159120, 8489616, 9179010, 9790944, 10612020, 12238680, 12734424, 13972493, 14149360, 14686416, 15585120, 15918030, 16318240, 16979232, 18358020, 21224040, 24477360, 25468848, 27944986, 28298720, 29372832, 31836060, 36716040, 41917479, 42448080, 48954720, 50937696, 55889972, 63672120, 69862465, 73432080, 83834958, 84896160, 111779944, 125752437, 127344240, 139724930, 146864160, 167669916, 209587395, 223559888, 251504874, 254688480, 279449860, 335339832, 419174790, 447119776, 503009748, 558899720, 628762185, 670679664, 838349580, 1006019496, 1117799440, 1257524370, 1341359328, 1676699160, 2012038992, 2235598880, 2515048740, 3353398320, 4024077984, 5030097480, 6706796640, 10060194960, 20120389920]

約数ペア:

[(1, 20120389920), (2, 10060194960), (3, 6706796640), (4, 5030097480), (5, 4024077984), (6, 3353398320), (8, 2515048740), (9, 2235598880), (10, 2012038992), (12, 1676699160), (15, 1341359328), (16, 1257524370), (18, 1117799440), (20, 1006019496), (24, 838349580), (30, 670679664), (32, 628762185), (36, 558899720), (40, 503009748), (45, 447119776), (48, 419174790), (60, 335339832), (72, 279449860), (79, 254688480), (80, 251504874), (90, 223559888), (96, 209587395), (120, 167669916), (137, 146864160), (144, 139724930), (158, 127344240), (160, 125752437), (180, 111779944), (237, 84896160), (240, 83834958), (274, 73432080), (288, 69862465), (316, 63672120), (360, 55889972), (395, 50937696), (411, 48954720), (474, 42448080), (480, 41917479), (548, 36716040), (632, 31836060), (685, 29372832), (711, 28298720), (720, 27944986), (790, 25468848), (822, 24477360), (948, 21224040), (1096, 18358020), (1185, 16979232), (1233, 16318240), (1264, 15918030), (1291, 15585120), (1370, 14686416), (1422, 14149360), (1440, 13972493), (1580, 12734424), (1644, 12238680), (1896, 10612020), (2055, 9790944), (2192, 9179010), (2370, 8489616), (2466, 8159120), (2528, 7959015), (2582, 7792560), (2740, 7343208), (2844, 7074680), (3160, 6367212), (3288, 6119340), (3555, 5659744), (3792, 5306010), (3873, 5195040), (4110, 4895472), (4384, 4589505), (4740, 4244808), (4932, 4079560), (5164, 3896280), (5480, 3671604), (5688, 3537340), (6165, 3263648), (6320, 3183606), (6455, 3117024), (6576, 3059670), (7110, 2829872), (7584, 2653005), (7746, 2597520), (8220, 2447736), (9480, 2122404), (9864, 2039780), (10328, 1948140), (10823, 1859040), (10960, 1835802), (11376, 1768670), (11619, 1731680), (12330, 1631824), (12640, 1591803), (12910, 1558512), (13152, 1529835), (14220, 1414936), (15492, 1298760), (16440, 1223868), (18960, 1061202), (19365, 1039008), (19728, 1019890), (20656, 974070), (21646, 929520), (21920, 917901), (22752, 884335), (23238, 865840), (24660, 815912), (25820, 779256), (28440, 707468), (30984, 649380), (32469, 619680), (32880, 611934), (37920, 530601), (38730, 519504), (39456, 509945), (41312, 487035), (43292, 464760), (46476, 432920), (49320, 407956), (51640, 389628), (54115, 371808), (56880, 353734), (58095, 346336), (61968, 324690), (64938, 309840), (65760, 305967), (77460, 259752), (86584, 232380), (92952, 216460), (97407, 206560), (98640, 203978), (101989, 197280), (103280, 194814), (108230, 185904), (113760, 176867), (116190, 173168), (123936, 162345), (129876, 154920)]