71303940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{827}}^1$

素因数の和:1321

約数の個数: 72

約数和(自身を含む): 217002240

約数和(自身を除く): 145698300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 479, 827, 958, 1437, 1654, 1916, 2395, 2481, 2874, 3308, 4135, 4311, 4790, 4962, 5748, 7185, 7443, 8270, 8622, 9580, 9924, 12405, 14370, 14886, 16540, 17244, 21555, 24810, 28740, 29772, 37215, 43110, 49620, 74430, 86220, 148860, 396133, 792266, 1188399, 1584532, 1980665, 2376798, 3565197, 3961330, 4753596, 5941995, 7130394, 7922660, 11883990, 14260788, 17825985, 23767980, 35651970, 71303940]

約数ペア:

[(1, 71303940), (2, 35651970), (3, 23767980), (4, 17825985), (5, 14260788), (6, 11883990), (9, 7922660), (10, 7130394), (12, 5941995), (15, 4753596), (18, 3961330), (20, 3565197), (30, 2376798), (36, 1980665), (45, 1584532), (60, 1188399), (90, 792266), (180, 396133), (479, 148860), (827, 86220), (958, 74430), (1437, 49620), (1654, 43110), (1916, 37215), (2395, 29772), (2481, 28740), (2874, 24810), (3308, 21555), (4135, 17244), (4311, 16540), (4790, 14886), (4962, 14370), (5748, 12405), (7185, 9924), (7443, 9580), (8270, 8622)]