28659840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:115

約数の個数: 256

約数和(自身を含む): 105753600

約数和(自身を除く): 77093760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 32, 33, 40, 44, 46, 48, 55, 59, 60, 64, 66, 69, 80, 88, 92, 96, 110, 115, 118, 120, 128, 132, 138, 160, 165, 176, 177, 184, 192, 220, 230, 236, 240, 253, 264, 276, 295, 320, 330, 345, 352, 354, 368, 384, 440, 460, 472, 480, 506, 528, 552, 590, 640, 649, 660, 690, 704, 708, 736, 759, 880, 885, 920, 944, 960, 1012, 1056, 1104, 1180, 1265, 1298, 1320, 1357, 1380, 1408, 1416, 1472, 1518, 1760, 1770, 1840, 1888, 1920, 1947, 2024, 2112, 2208, 2360, 2530, 2596, 2640, 2714, 2760, 2832, 2944, 3036, 3245, 3520, 3540, 3680, 3776, 3795, 3894, 4048, 4071, 4224, 4416, 4720, 5060, 5192, 5280, 5428, 5520, 5664, 6072, 6490, 6785, 7040, 7080, 7360, 7552, 7590, 7788, 8096, 8142, 8832, 9440, 9735, 10120, 10384, 10560, 10856, 11040, 11328, 12144, 12980, 13570, 14160, 14720, 14927, 15180, 15576, 16192, 16284, 18880, 19470, 20240, 20355, 20768, 21120, 21712, 22080, 22656, 24288, 25960, 27140, 28320, 29854, 30360, 31152, 32384, 32568, 37760, 38940, 40480, 40710, 41536, 43424, 44160, 44781, 48576, 51920, 54280, 56640, 59708, 60720, 62304, 65136, 74635, 77880, 80960, 81420, 83072, 86848, 89562, 97152, 103840, 108560, 113280, 119416, 121440, 124608, 130272, 149270, 155760, 161920, 162840, 173696, 179124, 207680, 217120, 223905, 238832, 242880, 249216, 260544, 298540, 311520, 325680, 358248, 415360, 434240, 447810, 477664, 485760, 521088, 597080, 623040, 651360, 716496, 868480, 895620, 955328, 1194160, 1246080, 1302720, 1432992, 1791240, 1910656, 2388320, 2605440, 2865984, 3582480, 4776640, 5731968, 7164960, 9553280, 14329920, 28659840]

約数ペア:

[(1, 28659840), (2, 14329920), (3, 9553280), (4, 7164960), (5, 5731968), (6, 4776640), (8, 3582480), (10, 2865984), (11, 2605440), (12, 2388320), (15, 1910656), (16, 1791240), (20, 1432992), (22, 1302720), (23, 1246080), (24, 1194160), (30, 955328), (32, 895620), (33, 868480), (40, 716496), (44, 651360), (46, 623040), (48, 597080), (55, 521088), (59, 485760), (60, 477664), (64, 447810), (66, 434240), (69, 415360), (80, 358248), (88, 325680), (92, 311520), (96, 298540), (110, 260544), (115, 249216), (118, 242880), (120, 238832), (128, 223905), (132, 217120), (138, 207680), (160, 179124), (165, 173696), (176, 162840), (177, 161920), (184, 155760), (192, 149270), (220, 130272), (230, 124608), (236, 121440), (240, 119416), (253, 113280), (264, 108560), (276, 103840), (295, 97152), (320, 89562), (330, 86848), (345, 83072), (352, 81420), (354, 80960), (368, 77880), (384, 74635), (440, 65136), (460, 62304), (472, 60720), (480, 59708), (506, 56640), (528, 54280), (552, 51920), (590, 48576), (640, 44781), (649, 44160), (660, 43424), (690, 41536), (704, 40710), (708, 40480), (736, 38940), (759, 37760), (880, 32568), (885, 32384), (920, 31152), (944, 30360), (960, 29854), (1012, 28320), (1056, 27140), (1104, 25960), (1180, 24288), (1265, 22656), (1298, 22080), (1320, 21712), (1357, 21120), (1380, 20768), (1408, 20355), (1416, 20240), (1472, 19470), (1518, 18880), (1760, 16284), (1770, 16192), (1840, 15576), (1888, 15180), (1920, 14927), (1947, 14720), (2024, 14160), (2112, 13570), (2208, 12980), (2360, 12144), (2530, 11328), (2596, 11040), (2640, 10856), (2714, 10560), (2760, 10384), (2832, 10120), (2944, 9735), (3036, 9440), (3245, 8832), (3520, 8142), (3540, 8096), (3680, 7788), (3776, 7590), (3795, 7552), (3894, 7360), (4048, 7080), (4071, 7040), (4224, 6785), (4416, 6490), (4720, 6072), (5060, 5664), (5192, 5520), (5280, 5428)]