80456640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:451

約数の個数: 224

約数和(自身を含む): 294071040

約数和(自身を除く): 213614400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 32, 33, 38, 40, 44, 48, 55, 57, 60, 64, 66, 76, 80, 88, 95, 96, 110, 114, 120, 132, 152, 160, 165, 176, 190, 192, 209, 220, 228, 240, 264, 285, 304, 320, 330, 352, 380, 401, 418, 440, 456, 480, 528, 570, 608, 627, 660, 704, 760, 802, 836, 880, 912, 960, 1045, 1056, 1140, 1203, 1216, 1254, 1320, 1520, 1604, 1672, 1760, 1824, 2005, 2090, 2112, 2280, 2406, 2508, 2640, 3040, 3135, 3208, 3344, 3520, 3648, 4010, 4180, 4411, 4560, 4812, 5016, 5280, 6015, 6080, 6270, 6416, 6688, 7619, 8020, 8360, 8822, 9120, 9624, 10032, 10560, 12030, 12540, 12832, 13233, 13376, 15238, 16040, 16720, 17644, 18240, 19248, 20064, 22055, 22857, 24060, 25080, 25664, 26466, 30476, 32080, 33440, 35288, 38095, 38496, 40128, 44110, 45714, 48120, 50160, 52932, 60952, 64160, 66165, 66880, 70576, 76190, 76992, 83809, 88220, 91428, 96240, 100320, 105864, 114285, 121904, 128320, 132330, 141152, 152380, 167618, 176440, 182856, 192480, 200640, 211728, 228570, 243808, 251427, 264660, 282304, 304760, 335236, 352880, 365712, 384960, 419045, 423456, 457140, 487616, 502854, 529320, 609520, 670472, 705760, 731424, 838090, 846912, 914280, 1005708, 1058640, 1219040, 1257135, 1340944, 1411520, 1462848, 1676180, 1828560, 2011416, 2117280, 2438080, 2514270, 2681888, 3352360, 3657120, 4022832, 4234560, 5028540, 5363776, 6704720, 7314240, 8045664, 10057080, 13409440, 16091328, 20114160, 26818880, 40228320, 80456640]

約数ペア:

[(1, 80456640), (2, 40228320), (3, 26818880), (4, 20114160), (5, 16091328), (6, 13409440), (8, 10057080), (10, 8045664), (11, 7314240), (12, 6704720), (15, 5363776), (16, 5028540), (19, 4234560), (20, 4022832), (22, 3657120), (24, 3352360), (30, 2681888), (32, 2514270), (33, 2438080), (38, 2117280), (40, 2011416), (44, 1828560), (48, 1676180), (55, 1462848), (57, 1411520), (60, 1340944), (64, 1257135), (66, 1219040), (76, 1058640), (80, 1005708), (88, 914280), (95, 846912), (96, 838090), (110, 731424), (114, 705760), (120, 670472), (132, 609520), (152, 529320), (160, 502854), (165, 487616), (176, 457140), (190, 423456), (192, 419045), (209, 384960), (220, 365712), (228, 352880), (240, 335236), (264, 304760), (285, 282304), (304, 264660), (320, 251427), (330, 243808), (352, 228570), (380, 211728), (401, 200640), (418, 192480), (440, 182856), (456, 176440), (480, 167618), (528, 152380), (570, 141152), (608, 132330), (627, 128320), (660, 121904), (704, 114285), (760, 105864), (802, 100320), (836, 96240), (880, 91428), (912, 88220), (960, 83809), (1045, 76992), (1056, 76190), (1140, 70576), (1203, 66880), (1216, 66165), (1254, 64160), (1320, 60952), (1520, 52932), (1604, 50160), (1672, 48120), (1760, 45714), (1824, 44110), (2005, 40128), (2090, 38496), (2112, 38095), (2280, 35288), (2406, 33440), (2508, 32080), (2640, 30476), (3040, 26466), (3135, 25664), (3208, 25080), (3344, 24060), (3520, 22857), (3648, 22055), (4010, 20064), (4180, 19248), (4411, 18240), (4560, 17644), (4812, 16720), (5016, 16040), (5280, 15238), (6015, 13376), (6080, 13233), (6270, 12832), (6416, 12540), (6688, 12030), (7619, 10560), (8020, 10032), (8360, 9624), (8822, 9120)]