640241280

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 512

約数和(自身を含む): 2663424000

約数和(自身を除く): 2023182720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 67, 70, 72, 79, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 134, 135, 140, 144, 158, 160, 168, 180, 189, 192, 201, 210, 216, 224, 237, 240, 252, 268, 270, 280, 288, 315, 316, 320, 335, 336, 360, 378, 384, 395, 402, 420, 432, 448, 469, 474, 480, 504, 536, 540, 553, 560, 576, 603, 630, 632, 640, 670, 672, 711, 720, 756, 790, 804, 840, 864, 896, 938, 945, 948, 960, 1005, 1008, 1072, 1080, 1106, 1120, 1152, 1185, 1206, 1260, 1264, 1340, 1344, 1407, 1422, 1440, 1512, 1580, 1608, 1659, 1680, 1728, 1809, 1876, 1890, 1896, 1920, 2010, 2016, 2133, 2144, 2160, 2212, 2240, 2345, 2370, 2412, 2520, 2528, 2680, 2688, 2765, 2814, 2844, 2880, 3015, 3024, 3160, 3216, 3318, 3360, 3456, 3555, 3618, 3752, 3780, 3792, 4020, 4032, 4221, 4266, 4288, 4320, 4424, 4480, 4690, 4740, 4824, 4977, 5040, 5056, 5293, 5360, 5530, 5628, 5688, 5760, 6030, 6048, 6320, 6432, 6636, 6720, 7035, 7110, 7236, 7504, 7560, 7584, 8040, 8064, 8295, 8442, 8532, 8576, 8640, 8848, 9045, 9380, 9480, 9648, 9954, 10080, 10112, 10586, 10665, 10720, 11060, 11256, 11376, 12060, 12096, 12640, 12663, 12864, 13272, 13440, 14070, 14220, 14472, 14931, 15008, 15120, 15168, 15879, 16080, 16590, 16884, 17064, 17280, 17696, 18090, 18760, 18960, 19296, 19908, 20160, 21105, 21172, 21330, 21440, 22120, 22512, 22752, 24120, 24192, 24885, 25280, 25326, 25728, 26465, 26544, 28140, 28440, 28944, 29862, 30016, 30240, 30336, 31758, 32160, 33180, 33768, 34128, 35392, 36180, 37051, 37520, 37920, 38592, 39816, 40320, 42210, 42344, 42660, 42880, 44240, 45024, 45504, 47637, 48240, 49770, 50560, 50652, 52930, 53088, 56280, 56880, 57888, 59724, 60032, 60480, 63315, 63516, 64320, 66360, 67536, 68256, 70784, 72360, 74102, 74655, 75040, 75840, 77184, 79395, 79632, 84420, 84688, 85320, 88480, 90048, 91008, 95274, 96480, 99540, 101304, 105860, 106176, 111153, 112560, 113760, 115776, 119448, 120960, 126630, 127032, 128640, 132720, 135072, 136512, 142911, 144720, 148204, 149310, 150080, 151680, 158790, 159264, 168840, 169376, 170640, 176960, 180096, 185255, 190548, 192960, 199080, 202608, 211720, 212352, 222306, 225120, 227520, 231552, 238185, 238896, 253260, 254064, 265440, 270144, 273024, 285822, 289440, 296408, 298620, 300160, 317580, 318528, 333459, 337680, 338752, 341280, 353920, 370510, 381096, 385920, 398160, 405216, 423440, 444612, 450240, 455040, 476370, 477792, 506520, 508128, 530880, 540288, 555765, 571644, 578880, 592816, 597240, 635160, 637056, 666918, 675360, 677504, 682560, 714555, 741020, 762192, 796320, 810432, 846880, 889224, 900480, 952740, 955584, 1000377, 1013040, 1016256, 1061760, 1111530, 1143288, 1157760, 1185632, 1194480, 1270320, 1333836, 1350720, 1365120, 1429110, 1482040, 1524384, 1592640, 1620864, 1667295, 1693760, 1778448, 1905480, 1911168, 2000754, 2026080, 2032512, 2223060, 2286576, 2371264, 2388960, 2540640, 2667672, 2701440, 2858220, 2964080, 3048768, 3185280, 3334590, 3387520, 3556896, 3810960, 4001508, 4052160, 4446120, 4573152, 4742528, 4777920, 5001885, 5081280, 5335344, 5716440, 5928160, 6097536, 6669180, 7113792, 7621920, 8003016, 8104320, 8892240, 9146304, 9555840, 10003770, 10162560, 10670688, 11432880, 11856320, 13338360, 14227584, 15243840, 16006032, 17784480, 18292608, 20007540, 21341376, 22865760, 23712640, 26676720, 30487680, 32012064, 35568960, 40015080, 42682752, 45731520, 53353440, 64024128, 71137920, 80030160, 91463040, 106706880, 128048256, 160060320, 213413760, 320120640, 640241280]

約数ペア:

[(1, 640241280), (2, 320120640), (3, 213413760), (4, 160060320), (5, 128048256), (6, 106706880), (7, 91463040), (8, 80030160), (9, 71137920), (10, 64024128), (12, 53353440), (14, 45731520), (15, 42682752), (16, 40015080), (18, 35568960), (20, 32012064), (21, 30487680), (24, 26676720), (27, 23712640), (28, 22865760), (30, 21341376), (32, 20007540), (35, 18292608), (36, 17784480), (40, 16006032), (42, 15243840), (45, 14227584), (48, 13338360), (54, 11856320), (56, 11432880), (60, 10670688), (63, 10162560), (64, 10003770), (67, 9555840), (70, 9146304), (72, 8892240), (79, 8104320), (80, 8003016), (84, 7621920), (90, 7113792), (96, 6669180), (105, 6097536), (108, 5928160), (112, 5716440), (120, 5335344), (126, 5081280), (128, 5001885), (134, 4777920), (135, 4742528), (140, 4573152), (144, 4446120), (158, 4052160), (160, 4001508), (168, 3810960), (180, 3556896), (189, 3387520), (192, 3334590), (201, 3185280), (210, 3048768), (216, 2964080), (224, 2858220), (237, 2701440), (240, 2667672), (252, 2540640), (268, 2388960), (270, 2371264), (280, 2286576), (288, 2223060), (315, 2032512), (316, 2026080), (320, 2000754), (335, 1911168), (336, 1905480), (360, 1778448), (378, 1693760), (384, 1667295), (395, 1620864), (402, 1592640), (420, 1524384), (432, 1482040), (448, 1429110), (469, 1365120), (474, 1350720), (480, 1333836), (504, 1270320), (536, 1194480), (540, 1185632), (553, 1157760), (560, 1143288), (576, 1111530), (603, 1061760), (630, 1016256), (632, 1013040), (640, 1000377), (670, 955584), (672, 952740), (711, 900480), (720, 889224), (756, 846880), (790, 810432), (804, 796320), (840, 762192), (864, 741020), (896, 714555), (938, 682560), (945, 677504), (948, 675360), (960, 666918), (1005, 637056), (1008, 635160), (1072, 597240), (1080, 592816), (1106, 578880), (1120, 571644), (1152, 555765), (1185, 540288), (1206, 530880), (1260, 508128), (1264, 506520), (1340, 477792), (1344, 476370), (1407, 455040), (1422, 450240), (1440, 444612), (1512, 423440), (1580, 405216), (1608, 398160), (1659, 385920), (1680, 381096), (1728, 370510), (1809, 353920), (1876, 341280), (1890, 338752), (1896, 337680), (1920, 333459), (2010, 318528), (2016, 317580), (2133, 300160), (2144, 298620), (2160, 296408), (2212, 289440), (2240, 285822), (2345, 273024), (2370, 270144), (2412, 265440), (2520, 254064), (2528, 253260), (2680, 238896), (2688, 238185), (2765, 231552), (2814, 227520), (2844, 225120), (2880, 222306), (3015, 212352), (3024, 211720), (3160, 202608), (3216, 199080), (3318, 192960), (3360, 190548), (3456, 185255), (3555, 180096), (3618, 176960), (3752, 170640), (3780, 169376), (3792, 168840), (4020, 159264), (4032, 158790), (4221, 151680), (4266, 150080), (4288, 149310), (4320, 148204), (4424, 144720), (4480, 142911), (4690, 136512), (4740, 135072), (4824, 132720), (4977, 128640), (5040, 127032), (5056, 126630), (5293, 120960), (5360, 119448), (5530, 115776), (5628, 113760), (5688, 112560), (5760, 111153), (6030, 106176), (6048, 105860), (6320, 101304), (6432, 99540), (6636, 96480), (6720, 95274), (7035, 91008), (7110, 90048), (7236, 88480), (7504, 85320), (7560, 84688), (7584, 84420), (8040, 79632), (8064, 79395), (8295, 77184), (8442, 75840), (8532, 75040), (8576, 74655), (8640, 74102), (8848, 72360), (9045, 70784), (9380, 68256), (9480, 67536), (9648, 66360), (9954, 64320), (10080, 63516), (10112, 63315), (10586, 60480), (10665, 60032), (10720, 59724), (11060, 57888), (11256, 56880), (11376, 56280), (12060, 53088), (12096, 52930), (12640, 50652), (12663, 50560), (12864, 49770), (13272, 48240), (13440, 47637), (14070, 45504), (14220, 45024), (14472, 44240), (14931, 42880), (15008, 42660), (15120, 42344), (15168, 42210), (15879, 40320), (16080, 39816), (16590, 38592), (16884, 37920), (17064, 37520), (17280, 37051), (17696, 36180), (18090, 35392), (18760, 34128), (18960, 33768), (19296, 33180), (19908, 32160), (20160, 31758), (21105, 30336), (21172, 30240), (21330, 30016), (21440, 29862), (22120, 28944), (22512, 28440), (22752, 28140), (24120, 26544), (24192, 26465), (24885, 25728), (25280, 25326)]