289783040

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 733877760

約数和(自身を除く): 444094720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 67, 80, 109, 124, 128, 134, 155, 160, 218, 248, 256, 268, 310, 320, 335, 436, 496, 536, 545, 620, 640, 670, 872, 992, 1072, 1090, 1240, 1280, 1340, 1744, 1984, 2077, 2144, 2180, 2480, 2680, 3379, 3488, 3968, 4154, 4288, 4360, 4960, 5360, 6758, 6976, 7303, 7936, 8308, 8576, 8720, 9920, 10385, 10720, 13516, 13952, 14606, 16616, 16895, 17152, 17440, 19840, 20770, 21440, 27032, 27904, 29212, 33232, 33790, 34880, 36515, 39680, 41540, 42880, 54064, 58424, 66464, 67580, 69760, 73030, 83080, 85760, 108128, 116848, 132928, 135160, 139520, 146060, 166160, 216256, 226393, 233696, 265856, 270320, 292120, 332320, 432512, 452786, 467392, 531712, 540640, 584240, 664640, 865024, 905572, 934784, 1081280, 1131965, 1168480, 1329280, 1811144, 1869568, 2162560, 2263930, 2336960, 2658560, 3622288, 4325120, 4527860, 4673920, 7244576, 9055720, 9347840, 14489152, 18111440, 28978304, 36222880, 57956608, 72445760, 144891520, 289783040]

約数ペア:

[(1, 289783040), (2, 144891520), (4, 72445760), (5, 57956608), (8, 36222880), (10, 28978304), (16, 18111440), (20, 14489152), (31, 9347840), (32, 9055720), (40, 7244576), (62, 4673920), (64, 4527860), (67, 4325120), (80, 3622288), (109, 2658560), (124, 2336960), (128, 2263930), (134, 2162560), (155, 1869568), (160, 1811144), (218, 1329280), (248, 1168480), (256, 1131965), (268, 1081280), (310, 934784), (320, 905572), (335, 865024), (436, 664640), (496, 584240), (536, 540640), (545, 531712), (620, 467392), (640, 452786), (670, 432512), (872, 332320), (992, 292120), (1072, 270320), (1090, 265856), (1240, 233696), (1280, 226393), (1340, 216256), (1744, 166160), (1984, 146060), (2077, 139520), (2144, 135160), (2180, 132928), (2480, 116848), (2680, 108128), (3379, 85760), (3488, 83080), (3968, 73030), (4154, 69760), (4288, 67580), (4360, 66464), (4960, 58424), (5360, 54064), (6758, 42880), (6976, 41540), (7303, 39680), (7936, 36515), (8308, 34880), (8576, 33790), (8720, 33232), (9920, 29212), (10385, 27904), (10720, 27032), (13516, 21440), (13952, 20770), (14606, 19840), (16616, 17440), (16895, 17152)]