681605760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{547}}^1$

素因数の和:639

約数の個数: 256

約数和(自身を含む): 2414707200

約数和(自身を除く): 1733101440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 59, 60, 64, 66, 80, 88, 96, 110, 118, 120, 128, 132, 160, 165, 176, 177, 192, 220, 236, 240, 264, 295, 320, 330, 352, 354, 384, 440, 472, 480, 528, 547, 590, 640, 649, 660, 704, 708, 880, 885, 944, 960, 1056, 1094, 1180, 1298, 1320, 1408, 1416, 1641, 1760, 1770, 1888, 1920, 1947, 2112, 2188, 2360, 2596, 2640, 2735, 2832, 3245, 3282, 3520, 3540, 3776, 3894, 4224, 4376, 4720, 5192, 5280, 5470, 5664, 6017, 6490, 6564, 7040, 7080, 7552, 7788, 8205, 8752, 9440, 9735, 10384, 10560, 10940, 11328, 12034, 12980, 13128, 14160, 15576, 16410, 17504, 18051, 18880, 19470, 20768, 21120, 21880, 22656, 24068, 25960, 26256, 28320, 30085, 31152, 32273, 32820, 35008, 36102, 37760, 38940, 41536, 43760, 48136, 51920, 52512, 56640, 60170, 62304, 64546, 65640, 70016, 72204, 77880, 83072, 87520, 90255, 96272, 96819, 103840, 105024, 113280, 120340, 124608, 129092, 131280, 144408, 155760, 161365, 175040, 180510, 192544, 193638, 207680, 210048, 240680, 249216, 258184, 262560, 288816, 311520, 322730, 350080, 355003, 361020, 385088, 387276, 415360, 481360, 484095, 516368, 525120, 577632, 623040, 645460, 710006, 722040, 770176, 774552, 962720, 968190, 1032736, 1050240, 1065009, 1155264, 1246080, 1290920, 1420012, 1444080, 1549104, 1775015, 1925440, 1936380, 2065472, 2130018, 2310528, 2581840, 2840024, 2888160, 3098208, 3550030, 3850880, 3872760, 4130944, 4260036, 5163680, 5325045, 5680048, 5776320, 6196416, 7100060, 7745520, 8520072, 10327360, 10650090, 11360096, 11552640, 12392832, 14200120, 15491040, 17040144, 20654720, 21300180, 22720192, 28400240, 30982080, 34080288, 42600360, 45440384, 56800480, 61964160, 68160576, 85200720, 113600960, 136321152, 170401440, 227201920, 340802880, 681605760]

約数ペア:

[(1, 681605760), (2, 340802880), (3, 227201920), (4, 170401440), (5, 136321152), (6, 113600960), (8, 85200720), (10, 68160576), (11, 61964160), (12, 56800480), (15, 45440384), (16, 42600360), (20, 34080288), (22, 30982080), (24, 28400240), (30, 22720192), (32, 21300180), (33, 20654720), (40, 17040144), (44, 15491040), (48, 14200120), (55, 12392832), (59, 11552640), (60, 11360096), (64, 10650090), (66, 10327360), (80, 8520072), (88, 7745520), (96, 7100060), (110, 6196416), (118, 5776320), (120, 5680048), (128, 5325045), (132, 5163680), (160, 4260036), (165, 4130944), (176, 3872760), (177, 3850880), (192, 3550030), (220, 3098208), (236, 2888160), (240, 2840024), (264, 2581840), (295, 2310528), (320, 2130018), (330, 2065472), (352, 1936380), (354, 1925440), (384, 1775015), (440, 1549104), (472, 1444080), (480, 1420012), (528, 1290920), (547, 1246080), (590, 1155264), (640, 1065009), (649, 1050240), (660, 1032736), (704, 968190), (708, 962720), (880, 774552), (885, 770176), (944, 722040), (960, 710006), (1056, 645460), (1094, 623040), (1180, 577632), (1298, 525120), (1320, 516368), (1408, 484095), (1416, 481360), (1641, 415360), (1760, 387276), (1770, 385088), (1888, 361020), (1920, 355003), (1947, 350080), (2112, 322730), (2188, 311520), (2360, 288816), (2596, 262560), (2640, 258184), (2735, 249216), (2832, 240680), (3245, 210048), (3282, 207680), (3520, 193638), (3540, 192544), (3776, 180510), (3894, 175040), (4224, 161365), (4376, 155760), (4720, 144408), (5192, 131280), (5280, 129092), (5470, 124608), (5664, 120340), (6017, 113280), (6490, 105024), (6564, 103840), (7040, 96819), (7080, 96272), (7552, 90255), (7788, 87520), (8205, 83072), (8752, 77880), (9440, 72204), (9735, 70016), (10384, 65640), (10560, 64546), (10940, 62304), (11328, 60170), (12034, 56640), (12980, 52512), (13128, 51920), (14160, 48136), (15576, 43760), (16410, 41536), (17504, 38940), (18051, 37760), (18880, 36102), (19470, 35008), (20768, 32820), (21120, 32273), (21880, 31152), (22656, 30085), (24068, 28320), (25960, 26256)]