1282720512

素因数分解:

$2^8\times 3^1\times {\mathrm{83}}^1\times {\mathrm{20123}}^1$

素因数の和:20225

約数の個数: 72

約数和(自身を含む): 3455210304

約数和(自身を除く): 2172489792

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, 664, 768, 996, 1328, 1992, 2656, 3984, 5312, 7968, 10624, 15936, 20123, 21248, 31872, 40246, 60369, 63744, 80492, 120738, 160984, 241476, 321968, 482952, 643936, 965904, 1287872, 1670209, 1931808, 2575744, 3340418, 3863616, 5010627, 5151488, 6680836, 7727232, 10021254, 13361672, 15454464, 20042508, 26723344, 40085016, 53446688, 80170032, 106893376, 160340064, 213786752, 320680128, 427573504, 641360256, 1282720512]

約数ペア:

[(1, 1282720512), (2, 641360256), (3, 427573504), (4, 320680128), (6, 213786752), (8, 160340064), (12, 106893376), (16, 80170032), (24, 53446688), (32, 40085016), (48, 26723344), (64, 20042508), (83, 15454464), (96, 13361672), (128, 10021254), (166, 7727232), (192, 6680836), (249, 5151488), (256, 5010627), (332, 3863616), (384, 3340418), (498, 2575744), (664, 1931808), (768, 1670209), (996, 1287872), (1328, 965904), (1992, 643936), (2656, 482952), (3984, 321968), (5312, 241476), (7968, 160984), (10624, 120738), (15936, 80492), (20123, 63744), (21248, 60369), (31872, 40246)]