788391680

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:434

約数の個数: 144

約数和(自身を含む): 1988975520

約数和(自身を除く): 1200583840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 67, 80, 116, 128, 134, 145, 160, 232, 256, 268, 290, 317, 320, 335, 464, 536, 580, 634, 640, 670, 928, 1072, 1160, 1268, 1280, 1340, 1585, 1856, 1943, 2144, 2320, 2536, 2680, 3170, 3712, 3886, 4288, 4640, 5072, 5360, 6340, 7424, 7772, 8576, 9193, 9280, 9715, 10144, 10720, 12680, 15544, 17152, 18386, 18560, 19430, 20288, 21239, 21440, 25360, 31088, 36772, 37120, 38860, 40576, 42478, 42880, 45965, 50720, 62176, 73544, 77720, 81152, 84956, 85760, 91930, 101440, 106195, 124352, 147088, 155440, 169912, 183860, 202880, 212390, 248704, 294176, 310880, 339824, 367720, 405760, 424780, 497408, 588352, 615931, 621760, 679648, 735440, 849560, 1176704, 1231862, 1243520, 1359296, 1470880, 1699120, 2353408, 2463724, 2487040, 2718592, 2941760, 3079655, 3398240, 4927448, 5437184, 5883520, 6159310, 6796480, 9854896, 11767040, 12318620, 13592960, 19709792, 24637240, 27185920, 39419584, 49274480, 78839168, 98548960, 157678336, 197097920, 394195840, 788391680]

約数ペア:

[(1, 788391680), (2, 394195840), (4, 197097920), (5, 157678336), (8, 98548960), (10, 78839168), (16, 49274480), (20, 39419584), (29, 27185920), (32, 24637240), (40, 19709792), (58, 13592960), (64, 12318620), (67, 11767040), (80, 9854896), (116, 6796480), (128, 6159310), (134, 5883520), (145, 5437184), (160, 4927448), (232, 3398240), (256, 3079655), (268, 2941760), (290, 2718592), (317, 2487040), (320, 2463724), (335, 2353408), (464, 1699120), (536, 1470880), (580, 1359296), (634, 1243520), (640, 1231862), (670, 1176704), (928, 849560), (1072, 735440), (1160, 679648), (1268, 621760), (1280, 615931), (1340, 588352), (1585, 497408), (1856, 424780), (1943, 405760), (2144, 367720), (2320, 339824), (2536, 310880), (2680, 294176), (3170, 248704), (3712, 212390), (3886, 202880), (4288, 183860), (4640, 169912), (5072, 155440), (5360, 147088), (6340, 124352), (7424, 106195), (7772, 101440), (8576, 91930), (9193, 85760), (9280, 84956), (9715, 81152), (10144, 77720), (10720, 73544), (12680, 62176), (15544, 50720), (17152, 45965), (18386, 42880), (18560, 42478), (19430, 40576), (20288, 38860), (21239, 37120), (21440, 36772), (25360, 31088)]