20271242880

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:661

約数の個数: 768

約数和(自身を含む): 86153932800

約数和(自身を除く): 65882689920

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, 45, 47, 48, 56, 57, 60, 63, 64, 70, 72, 76, 80, 84, 90, 94, 95, 96, 105, 112, 114, 120, 126, 128, 133, 140, 141, 144, 152, 160, 168, 171, 180, 188, 190, 192, 210, 224, 228, 235, 240, 252, 266, 280, 282, 285, 288, 304, 315, 320, 329, 336, 342, 360, 376, 380, 384, 399, 420, 423, 448, 456, 470, 480, 504, 532, 560, 563, 564, 570, 576, 608, 630, 640, 658, 665, 672, 684, 705, 720, 752, 760, 798, 840, 846, 855, 893, 896, 912, 940, 960, 987, 1008, 1064, 1120, 1126, 1128, 1140, 1152, 1197, 1216, 1260, 1316, 1330, 1344, 1368, 1410, 1440, 1504, 1520, 1596, 1645, 1680, 1689, 1692, 1710, 1786, 1824, 1880, 1920, 1974, 1995, 2016, 2115, 2128, 2240, 2252, 2256, 2280, 2394, 2432, 2520, 2632, 2660, 2679, 2688, 2736, 2815, 2820, 2880, 2961, 3008, 3040, 3192, 3290, 3360, 3378, 3384, 3420, 3572, 3648, 3760, 3941, 3948, 3990, 4032, 4230, 4256, 4465, 4480, 4504, 4512, 4560, 4788, 4935, 5040, 5067, 5264, 5320, 5358, 5472, 5630, 5640, 5760, 5922, 5985, 6016, 6080, 6251, 6384, 6580, 6720, 6756, 6768, 6840, 7144, 7296, 7520, 7882, 7896, 7980, 8037, 8064, 8445, 8460, 8512, 8930, 9008, 9024, 9120, 9576, 9870, 10080, 10134, 10528, 10640, 10697, 10716, 10944, 11260, 11280, 11823, 11844, 11970, 12160, 12502, 12768, 13160, 13395, 13440, 13512, 13536, 13680, 14288, 14805, 15040, 15764, 15792, 15960, 16074, 16890, 16920, 17024, 17860, 18016, 18048, 18240, 18753, 19152, 19705, 19740, 20160, 20268, 21056, 21280, 21394, 21432, 21888, 22520, 22560, 23646, 23688, 23940, 25004, 25335, 25536, 26320, 26461, 26790, 27024, 27072, 27360, 28576, 29610, 30080, 31255, 31528, 31584, 31920, 32091, 32148, 33780, 33840, 35469, 35720, 36032, 36480, 37506, 38304, 39410, 39480, 40185, 40320, 40536, 42112, 42560, 42788, 42864, 45040, 45120, 47292, 47376, 47880, 50008, 50670, 51072, 52640, 52922, 53485, 53580, 54048, 54144, 54720, 56259, 57152, 59115, 59220, 62510, 63056, 63168, 63840, 64182, 64296, 67560, 67680, 70938, 71440, 72064, 74879, 75012, 76608, 78820, 78960, 79383, 80370, 81072, 85120, 85576, 85728, 90080, 90240, 93765, 94584, 94752, 95760, 96273, 100016, 101340, 105280, 105844, 106970, 107160, 108096, 109440, 112518, 114304, 118230, 118440, 125020, 126112, 126336, 127680, 128364, 128592, 132305, 135120, 135360, 141876, 142880, 149758, 150024, 153216, 157640, 157920, 158766, 160455, 160740, 162144, 171152, 171456, 177345, 180160, 185227, 187530, 189168, 189504, 191520, 192546, 200032, 202680, 210560, 211688, 213940, 214320, 216192, 224637, 225036, 236460, 236880, 238149, 250040, 252224, 255360, 256728, 257184, 264610, 270240, 270720, 281295, 283752, 285760, 299516, 300048, 315280, 315840, 317532, 320910, 321480, 324288, 342304, 342912, 354690, 360320, 370454, 374395, 375060, 378336, 379008, 383040, 385092, 396915, 400064, 405360, 423376, 427880, 428640, 449274, 450072, 472920, 473760, 476298, 481365, 500080, 502759, 504448, 513456, 514368, 529220, 540480, 555681, 562590, 567504, 571520, 599032, 600096, 630560, 631680, 635064, 641820, 642960, 648576, 673911, 684608, 709380, 740908, 748790, 750120, 756672, 766080, 770184, 793830, 800128, 810720, 846752, 855760, 857280, 898548, 900144, 926135, 945840, 947520, 952596, 962730, 1000160, 1005518, 1026912, 1028736, 1058440, 1080960, 1111362, 1123185, 1125180, 1135008, 1190745, 1198064, 1200192, 1261120, 1270128, 1283640, 1285920, 1347822, 1369216, 1418760, 1481816, 1497580, 1500240, 1508277, 1513344, 1540368, 1587660, 1621440, 1667043, 1693504, 1711520, 1714560, 1797096, 1800288, 1852270, 1891680, 1895040, 1905192, 1925460, 2000320, 2011036, 2053824, 2116880, 2222724, 2246370, 2250360, 2270016, 2381490, 2396128, 2400384, 2513795, 2522240, 2540256, 2567280, 2571840, 2695644, 2778405, 2837520, 2963632, 2995160, 3000480, 3016554, 3080736, 3175320, 3242880, 3334086, 3369555, 3387008, 3423040, 3519313, 3594192, 3600576, 3704540, 3783360, 3810384, 3850920, 4000640, 4022072, 4107648, 4233760, 4445448, 4492740, 4500720, 4524831, 4540032, 4762980, 4792256, 5027590, 5080512, 5134560, 5143680, 5391288, 5556810, 5675040, 5927264, 5990320, 6000960, 6033108, 6161472, 6350640, 6668172, 6739110, 6846080, 7038626, 7188384, 7201152, 7409080, 7541385, 7566720, 7620768, 7701840, 8044144, 8335215, 8467520, 8890896, 8985480, 9001440, 9049662, 9525960, 9584512, 10055180, 10161024, 10269120, 10557939, 10782576, 11113620, 11350080, 11854528, 11980640, 12001920, 12066216, 12322944, 12701280, 13336344, 13478220, 14077252, 14376768, 14818160, 15082770, 15241536, 15403680, 16088288, 16670430, 16935040, 17596565, 17781792, 17970960, 18002880, 18099324, 19051920, 20110360, 20538240, 21115878, 21565152, 22227240, 22624155, 22700160, 23709056, 23961280, 24132432, 25402560, 26672688, 26956440, 28154504, 28753536, 29636320, 30165540, 30483072, 30807360, 31673817, 32176576, 33340860, 35193130, 35563584, 35941920, 36005760, 36198648, 38103840, 40220720, 42231756, 43130304, 44454480, 45248310, 47922560, 48264864, 50805120, 52789695, 53345376, 53912880, 56309008, 59272640, 60331080, 61614720, 63347634, 64353152, 66681720, 70386260, 71127168, 71883840, 72397296, 76207680, 80441440, 84463512, 86260608, 88908960, 90496620, 96529728, 105579390, 106690752, 107825760, 112618016, 118545280, 120662160, 126695268, 133363440, 140772520, 143767680, 144794592, 152415360, 158369085, 160882880, 168927024, 177817920, 180993240, 193059456, 211158780, 213381504, 215651520, 225236032, 241324320, 253390536, 266726880, 281545040, 289589184, 316738170, 321765760, 337854048, 355635840, 361986480, 422317560, 431303040, 450472064, 482648640, 506781072, 533453760, 563090080, 579178368, 633476340, 675708096, 723972960, 844635120, 965297280, 1013562144, 1066907520, 1126180160, 1266952680, 1351416192, 1447945920, 1689270240, 2027124288, 2252360320, 2533905360, 2895891840, 3378540480, 4054248576, 5067810720, 6757080960, 10135621440, 20271242880]

約数ペア:

[(1, 20271242880), (2, 10135621440), (3, 6757080960), (4, 5067810720), (5, 4054248576), (6, 3378540480), (7, 2895891840), (8, 2533905360), (9, 2252360320), (10, 2027124288), (12, 1689270240), (14, 1447945920), (15, 1351416192), (16, 1266952680), (18, 1126180160), (19, 1066907520), (20, 1013562144), (21, 965297280), (24, 844635120), (28, 723972960), (30, 675708096), (32, 633476340), (35, 579178368), (36, 563090080), (38, 533453760), (40, 506781072), (42, 482648640), (45, 450472064), (47, 431303040), (48, 422317560), (56, 361986480), (57, 355635840), (60, 337854048), (63, 321765760), (64, 316738170), (70, 289589184), (72, 281545040), (76, 266726880), (80, 253390536), (84, 241324320), (90, 225236032), (94, 215651520), (95, 213381504), (96, 211158780), (105, 193059456), (112, 180993240), (114, 177817920), (120, 168927024), (126, 160882880), (128, 158369085), (133, 152415360), (140, 144794592), (141, 143767680), (144, 140772520), (152, 133363440), (160, 126695268), (168, 120662160), (171, 118545280), (180, 112618016), (188, 107825760), (190, 106690752), (192, 105579390), (210, 96529728), (224, 90496620), (228, 88908960), (235, 86260608), (240, 84463512), (252, 80441440), (266, 76207680), (280, 72397296), (282, 71883840), (285, 71127168), (288, 70386260), (304, 66681720), (315, 64353152), (320, 63347634), (329, 61614720), (336, 60331080), (342, 59272640), (360, 56309008), (376, 53912880), (380, 53345376), (384, 52789695), (399, 50805120), (420, 48264864), (423, 47922560), (448, 45248310), (456, 44454480), (470, 43130304), (480, 42231756), (504, 40220720), (532, 38103840), (560, 36198648), (563, 36005760), (564, 35941920), (570, 35563584), (576, 35193130), (608, 33340860), (630, 32176576), (640, 31673817), (658, 30807360), (665, 30483072), (672, 30165540), (684, 29636320), (705, 28753536), (720, 28154504), (752, 26956440), (760, 26672688), (798, 25402560), (840, 24132432), (846, 23961280), (855, 23709056), (893, 22700160), (896, 22624155), (912, 22227240), (940, 21565152), (960, 21115878), (987, 20538240), (1008, 20110360), (1064, 19051920), (1120, 18099324), (1126, 18002880), (1128, 17970960), (1140, 17781792), (1152, 17596565), (1197, 16935040), (1216, 16670430), (1260, 16088288), (1316, 15403680), (1330, 15241536), (1344, 15082770), (1368, 14818160), (1410, 14376768), (1440, 14077252), (1504, 13478220), (1520, 13336344), (1596, 12701280), (1645, 12322944), (1680, 12066216), (1689, 12001920), (1692, 11980640), (1710, 11854528), (1786, 11350080), (1824, 11113620), (1880, 10782576), (1920, 10557939), (1974, 10269120), (1995, 10161024), (2016, 10055180), (2115, 9584512), (2128, 9525960), (2240, 9049662), (2252, 9001440), (2256, 8985480), (2280, 8890896), (2394, 8467520), (2432, 8335215), (2520, 8044144), (2632, 7701840), (2660, 7620768), (2679, 7566720), (2688, 7541385), (2736, 7409080), (2815, 7201152), (2820, 7188384), (2880, 7038626), (2961, 6846080), (3008, 6739110), (3040, 6668172), (3192, 6350640), (3290, 6161472), (3360, 6033108), (3378, 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(76608, 264610), (78820, 257184), (78960, 256728), (79383, 255360), (80370, 252224), (81072, 250040), (85120, 238149), (85576, 236880), (85728, 236460), (90080, 225036), (90240, 224637), (93765, 216192), (94584, 214320), (94752, 213940), (95760, 211688), (96273, 210560), (100016, 202680), (101340, 200032), (105280, 192546), (105844, 191520), (106970, 189504), (107160, 189168), (108096, 187530), (109440, 185227), (112518, 180160), (114304, 177345), (118230, 171456), (118440, 171152), (125020, 162144), (126112, 160740), (126336, 160455), (127680, 158766), (128364, 157920), (128592, 157640), (132305, 153216), (135120, 150024), (135360, 149758), (141876, 142880)]