81974784

素因数分解:

$2^9\times 3^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1$

素因数の和:747

約数の個数: 80

約数和(自身を含む): 221360832

約数和(自身を除く): 139386048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 83, 96, 128, 166, 192, 249, 256, 332, 384, 498, 512, 643, 664, 768, 996, 1286, 1328, 1536, 1929, 1992, 2572, 2656, 3858, 3984, 5144, 5312, 7716, 7968, 10288, 10624, 15432, 15936, 20576, 21248, 30864, 31872, 41152, 42496, 53369, 61728, 63744, 82304, 106738, 123456, 127488, 160107, 164608, 213476, 246912, 320214, 329216, 426952, 493824, 640428, 853904, 987648, 1280856, 1707808, 2561712, 3415616, 5123424, 6831232, 10246848, 13662464, 20493696, 27324928, 40987392, 81974784]

約数ペア:

[(1, 81974784), (2, 40987392), (3, 27324928), (4, 20493696), (6, 13662464), (8, 10246848), (12, 6831232), (16, 5123424), (24, 3415616), (32, 2561712), (48, 1707808), (64, 1280856), (83, 987648), (96, 853904), (128, 640428), (166, 493824), (192, 426952), (249, 329216), (256, 320214), (332, 246912), (384, 213476), (498, 164608), (512, 160107), (643, 127488), (664, 123456), (768, 106738), (996, 82304), (1286, 63744), (1328, 61728), (1536, 53369), (1929, 42496), (1992, 41152), (2572, 31872), (2656, 30864), (3858, 21248), (3984, 20576), (5144, 15936), (5312, 15432), (7716, 10624), (7968, 10288)]