668771840

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:189

約数の個数: 240

約数和(自身を含む): 1880879616

約数和(自身を除く): 1212107776

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 121, 127, 128, 136, 160, 170, 176, 187, 220, 242, 254, 256, 272, 320, 340, 352, 374, 440, 484, 508, 512, 544, 605, 635, 640, 680, 704, 748, 880, 935, 968, 1016, 1088, 1210, 1270, 1280, 1360, 1397, 1408, 1496, 1760, 1870, 1936, 2032, 2057, 2159, 2176, 2420, 2540, 2560, 2720, 2794, 2816, 2992, 3520, 3740, 3872, 4064, 4114, 4318, 4352, 4840, 5080, 5440, 5588, 5632, 5984, 6985, 7040, 7480, 7744, 8128, 8228, 8636, 8704, 9680, 10160, 10285, 10795, 10880, 11176, 11968, 13970, 14080, 14960, 15367, 15488, 16256, 16456, 17272, 19360, 20320, 20570, 21590, 21760, 22352, 23749, 23936, 27940, 28160, 29920, 30734, 30976, 32512, 32912, 34544, 38720, 40640, 41140, 43180, 43520, 44704, 47498, 47872, 55880, 59840, 61468, 61952, 65024, 65824, 69088, 76835, 77440, 81280, 82280, 86360, 89408, 94996, 95744, 111760, 118745, 119680, 122936, 131648, 138176, 153670, 154880, 162560, 164560, 172720, 178816, 189992, 223520, 237490, 239360, 245872, 261239, 263296, 276352, 307340, 309760, 325120, 329120, 345440, 357632, 379984, 447040, 474980, 478720, 491744, 522478, 526592, 552704, 614680, 658240, 690880, 715264, 759968, 894080, 949960, 983488, 1044956, 1053184, 1105408, 1229360, 1306195, 1316480, 1381760, 1519936, 1788160, 1899920, 1966976, 2089912, 2458720, 2612390, 2632960, 2763520, 3039872, 3576320, 3799840, 3933952, 4179824, 4917440, 5224780, 5265920, 5527040, 6079744, 7599680, 7867904, 8359648, 9834880, 10449560, 12159488, 15199360, 16719296, 19669760, 20899120, 30398720, 33438592, 39339520, 41798240, 60797440, 66877184, 83596480, 133754368, 167192960, 334385920, 668771840]

約数ペア:

[(1, 668771840), (2, 334385920), (4, 167192960), (5, 133754368), (8, 83596480), (10, 66877184), (11, 60797440), (16, 41798240), (17, 39339520), (20, 33438592), (22, 30398720), (32, 20899120), (34, 19669760), (40, 16719296), (44, 15199360), (55, 12159488), (64, 10449560), (68, 9834880), (80, 8359648), (85, 7867904), (88, 7599680), (110, 6079744), (121, 5527040), (127, 5265920), (128, 5224780), (136, 4917440), (160, 4179824), (170, 3933952), (176, 3799840), (187, 3576320), (220, 3039872), (242, 2763520), (254, 2632960), (256, 2612390), (272, 2458720), (320, 2089912), (340, 1966976), (352, 1899920), (374, 1788160), (440, 1519936), (484, 1381760), (508, 1316480), (512, 1306195), (544, 1229360), (605, 1105408), (635, 1053184), (640, 1044956), (680, 983488), (704, 949960), (748, 894080), (880, 759968), (935, 715264), (968, 690880), (1016, 658240), (1088, 614680), (1210, 552704), (1270, 526592), (1280, 522478), (1360, 491744), (1397, 478720), (1408, 474980), (1496, 447040), (1760, 379984), (1870, 357632), (1936, 345440), (2032, 329120), (2057, 325120), (2159, 309760), (2176, 307340), (2420, 276352), (2540, 263296), (2560, 261239), (2720, 245872), (2794, 239360), (2816, 237490), (2992, 223520), (3520, 189992), (3740, 178816), (3872, 172720), (4064, 164560), (4114, 162560), (4318, 154880), (4352, 153670), (4840, 138176), (5080, 131648), (5440, 122936), (5588, 119680), (5632, 118745), (5984, 111760), (6985, 95744), (7040, 94996), (7480, 89408), (7744, 86360), (8128, 82280), (8228, 81280), (8636, 77440), (8704, 76835), (9680, 69088), (10160, 65824), (10285, 65024), (10795, 61952), (10880, 61468), (11176, 59840), (11968, 55880), (13970, 47872), (14080, 47498), (14960, 44704), (15367, 43520), (15488, 43180), (16256, 41140), (16456, 40640), (17272, 38720), (19360, 34544), (20320, 32912), (20570, 32512), (21590, 30976), (21760, 30734), (22352, 29920), (23749, 28160), (23936, 27940)]