20123278560

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1871}}^1$

素因数の和:2007

約数の個数: 576

約数和(自身を含む): 86544267264

約数和(自身を除く): 66420988704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 96, 97, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 160, 165, 168, 176, 180, 194, 198, 210, 220, 224, 231, 240, 252, 264, 280, 288, 291, 308, 315, 330, 336, 352, 360, 385, 388, 396, 420, 440, 462, 480, 485, 495, 504, 528, 560, 582, 616, 630, 660, 672, 679, 693, 720, 770, 776, 792, 840, 873, 880, 924, 970, 990, 1008, 1056, 1067, 1120, 1155, 1164, 1232, 1260, 1320, 1358, 1386, 1440, 1455, 1540, 1552, 1584, 1680, 1746, 1760, 1848, 1871, 1940, 1980, 2016, 2037, 2134, 2310, 2328, 2464, 2520, 2640, 2716, 2772, 2910, 3080, 3104, 3168, 3201, 3360, 3395, 3465, 3492, 3696, 3742, 3880, 3960, 4074, 4268, 4365, 4620, 4656, 5040, 5280, 5335, 5432, 5544, 5613, 5820, 6111, 6160, 6402, 6790, 6930, 6984, 7392, 7469, 7484, 7760, 7920, 8148, 8536, 8730, 9240, 9312, 9355, 9603, 10080, 10185, 10670, 10864, 11088, 11226, 11640, 12222, 12320, 12804, 13097, 13580, 13860, 13968, 14938, 14968, 15520, 15840, 16005, 16296, 16839, 17072, 17460, 18480, 18710, 19206, 20370, 20581, 21340, 21728, 22176, 22407, 22452, 23280, 24444, 25608, 26194, 27160, 27720, 27936, 28065, 29876, 29936, 30555, 32010, 32592, 33678, 34144, 34920, 36960, 37345, 37420, 38412, 39291, 40740, 41162, 42680, 44814, 44904, 46560, 48015, 48888, 51216, 52388, 54320, 55440, 56130, 59752, 59872, 61110, 61743, 64020, 65184, 65485, 67221, 67356, 69840, 74690, 74840, 76824, 78582, 81480, 82324, 84195, 85360, 89628, 89808, 96030, 97776, 102432, 102905, 104776, 108640, 110880, 112035, 112260, 117873, 119504, 122220, 123486, 128040, 130970, 134442, 134712, 139680, 144067, 149380, 149680, 153648, 157164, 162960, 164648, 168390, 170720, 179256, 179616, 181487, 185229, 192060, 195552, 196455, 205810, 209552, 224070, 224520, 235746, 239008, 244440, 246972, 256080, 261940, 268884, 269424, 288134, 298760, 299360, 307296, 308715, 314328, 325920, 329296, 336105, 336780, 358512, 362974, 370458, 384120, 392910, 411620, 419104, 432201, 448140, 449040, 471492, 488880, 493944, 512160, 523880, 537768, 538848, 544461, 576268, 589365, 597520, 617430, 628656, 658592, 672210, 673560, 717024, 720335, 725948, 740916, 768240, 785820, 823240, 864402, 896280, 898080, 907435, 926145, 942984, 977760, 987888, 1047760, 1075536, 1088922, 1152536, 1178730, 1195040, 1234860, 1257312, 1270409, 1296603, 1344420, 1347120, 1440670, 1451896, 1481832, 1536480, 1571640, 1633383, 1646480, 1728804, 1792560, 1814870, 1852290, 1885968, 1975776, 1996357, 2095520, 2151072, 2161005, 2177844, 2305072, 2357460, 2469720, 2540818, 2593206, 2688840, 2694240, 2722305, 2881340, 2903792, 2963664, 3143280, 3266766, 3292960, 3457608, 3585120, 3629740, 3704580, 3771936, 3811227, 3992714, 4322010, 4355688, 4610144, 4714920, 4939440, 5081636, 5186412, 5377680, 5444610, 5762680, 5807584, 5927328, 5989071, 6286560, 6352045, 6483015, 6533532, 6915216, 7259480, 7409160, 7622454, 7985428, 8166915, 8644020, 8711376, 9429840, 9878880, 9981785, 10163272, 10372824, 10755360, 10889220, 11433681, 11525360, 11978142, 12704090, 12966030, 13067064, 13830432, 13974499, 14518960, 14818320, 15244908, 15970856, 16333830, 17288040, 17422752, 17967213, 18859680, 19056135, 19963570, 20326544, 20745648, 21778440, 22867362, 23050720, 23956284, 25408180, 25932060, 26134128, 27948998, 29037920, 29636640, 29945355, 30489816, 31941712, 32667660, 34576080, 35934426, 38112270, 39927140, 40653088, 41491296, 41923497, 43556880, 45734724, 47912568, 50816360, 51864120, 52268256, 55897996, 57168405, 59890710, 60979632, 63883424, 65335320, 69152160, 69872495, 71868852, 76224540, 79854280, 83846994, 87113760, 89836065, 91469448, 95825136, 101632720, 103728240, 111795992, 114336810, 119781420, 121959264, 125770491, 130670640, 139744990, 143737704, 152449080, 159708560, 167693988, 179672130, 182938896, 191650272, 203265440, 207456480, 209617485, 223591984, 228673620, 239562840, 251540982, 261341280, 279489980, 287475408, 304898160, 319417120, 335387976, 359344260, 365877792, 419234970, 447183968, 457347240, 479125680, 503081964, 558979960, 574950816, 609796320, 628852455, 670775952, 718688520, 838469940, 914694480, 958251360, 1006163928, 1117959920, 1257704910, 1341551904, 1437377040, 1676939880, 1829388960, 2012327856, 2235919840, 2515409820, 2874754080, 3353879760, 4024655712, 5030819640, 6707759520, 10061639280, 20123278560]

約数ペア:

[(1, 20123278560), (2, 10061639280), (3, 6707759520), (4, 5030819640), (5, 4024655712), (6, 3353879760), (7, 2874754080), (8, 2515409820), (9, 2235919840), (10, 2012327856), (11, 1829388960), (12, 1676939880), (14, 1437377040), (15, 1341551904), (16, 1257704910), (18, 1117959920), (20, 1006163928), (21, 958251360), (22, 914694480), (24, 838469940), (28, 718688520), (30, 670775952), (32, 628852455), (33, 609796320), (35, 574950816), (36, 558979960), (40, 503081964), (42, 479125680), (44, 457347240), (45, 447183968), (48, 419234970), (55, 365877792), (56, 359344260), (60, 335387976), (63, 319417120), (66, 304898160), (70, 287475408), (72, 279489980), (77, 261341280), (80, 251540982), (84, 239562840), (88, 228673620), (90, 223591984), (96, 209617485), (97, 207456480), (99, 203265440), (105, 191650272), (110, 182938896), (112, 179672130), (120, 167693988), (126, 159708560), (132, 152449080), (140, 143737704), (144, 139744990), (154, 130670640), (160, 125770491), (165, 121959264), (168, 119781420), (176, 114336810), (180, 111795992), (194, 103728240), (198, 101632720), (210, 95825136), (220, 91469448), (224, 89836065), (231, 87113760), (240, 83846994), (252, 79854280), (264, 76224540), (280, 71868852), (288, 69872495), (291, 69152160), (308, 65335320), (315, 63883424), (330, 60979632), (336, 59890710), (352, 57168405), (360, 55897996), (385, 52268256), (388, 51864120), (396, 50816360), (420, 47912568), (440, 45734724), (462, 43556880), (480, 41923497), (485, 41491296), (495, 40653088), (504, 39927140), (528, 38112270), (560, 35934426), (582, 34576080), (616, 32667660), (630, 31941712), (660, 30489816), (672, 29945355), (679, 29636640), (693, 29037920), (720, 27948998), (770, 26134128), (776, 25932060), (792, 25408180), (840, 23956284), (873, 23050720), (880, 22867362), (924, 21778440), (970, 20745648), (990, 20326544), (1008, 19963570), (1056, 19056135), (1067, 18859680), (1120, 17967213), (1155, 17422752), (1164, 17288040), (1232, 16333830), (1260, 15970856), (1320, 15244908), (1358, 14818320), (1386, 14518960), (1440, 13974499), (1455, 13830432), (1540, 13067064), (1552, 12966030), (1584, 12704090), (1680, 11978142), (1746, 11525360), (1760, 11433681), (1848, 10889220), (1871, 10755360), (1940, 10372824), (1980, 10163272), (2016, 9981785), (2037, 9878880), (2134, 9429840), (2310, 8711376), (2328, 8644020), (2464, 8166915), (2520, 7985428), (2640, 7622454), (2716, 7409160), (2772, 7259480), (2910, 6915216), (3080, 6533532), (3104, 6483015), (3168, 6352045), (3201, 6286560), (3360, 5989071), (3395, 5927328), (3465, 5807584), (3492, 5762680), (3696, 5444610), (3742, 5377680), (3880, 5186412), (3960, 5081636), (4074, 4939440), (4268, 4714920), (4365, 4610144), (4620, 4355688), (4656, 4322010), (5040, 3992714), (5280, 3811227), (5335, 3771936), (5432, 3704580), (5544, 3629740), (5613, 3585120), (5820, 3457608), (6111, 3292960), (6160, 3266766), (6402, 3143280), (6790, 2963664), (6930, 2903792), (6984, 2881340), (7392, 2722305), (7469, 2694240), (7484, 2688840), (7760, 2593206), (7920, 2540818), (8148, 2469720), (8536, 2357460), (8730, 2305072), (9240, 2177844), (9312, 2161005), (9355, 2151072), (9603, 2095520), (10080, 1996357), (10185, 1975776), (10670, 1885968), (10864, 1852290), (11088, 1814870), (11226, 1792560), (11640, 1728804), (12222, 1646480), (12320, 1633383), (12804, 1571640), (13097, 1536480), (13580, 1481832), (13860, 1451896), (13968, 1440670), (14938, 1347120), (14968, 1344420), (15520, 1296603), (15840, 1270409), (16005, 1257312), (16296, 1234860), (16839, 1195040), (17072, 1178730), (17460, 1152536), (18480, 1088922), (18710, 1075536), (19206, 1047760), (20370, 987888), (20581, 977760), (21340, 942984), (21728, 926145), (22176, 907435), (22407, 898080), (22452, 896280), (23280, 864402), (24444, 823240), (25608, 785820), (26194, 768240), (27160, 740916), (27720, 725948), (27936, 720335), (28065, 717024), (29876, 673560), (29936, 672210), (30555, 658592), (32010, 628656), (32592, 617430), (33678, 597520), (34144, 589365), (34920, 576268), (36960, 544461), (37345, 538848), (37420, 537768), (38412, 523880), (39291, 512160), (40740, 493944), (41162, 488880), (42680, 471492), (44814, 449040), (44904, 448140), (46560, 432201), (48015, 419104), (48888, 411620), (51216, 392910), (52388, 384120), (54320, 370458), (55440, 362974), (56130, 358512), (59752, 336780), (59872, 336105), (61110, 329296), (61743, 325920), (64020, 314328), (65184, 308715), (65485, 307296), (67221, 299360), (67356, 298760), (69840, 288134), (74690, 269424), (74840, 268884), (76824, 261940), (78582, 256080), (81480, 246972), (82324, 244440), (84195, 239008), (85360, 235746), (89628, 224520), (89808, 224070), (96030, 209552), (97776, 205810), (102432, 196455), (102905, 195552), (104776, 192060), (108640, 185229), (110880, 181487), (112035, 179616), (112260, 179256), (117873, 170720), (119504, 168390), (122220, 164648), (123486, 162960), (128040, 157164), (130970, 153648), (134442, 149680), (134712, 149380), (139680, 144067)]