720291234

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1\times {\mathrm{557}}^1$

素因数の和:915

約数の個数: 64

約数和(自身を含む): 1586148480

約数和(自身を除く): 865857246

約数列:

[1, 2, 3, 6, 13, 26, 39, 59, 78, 118, 177, 281, 354, 557, 562, 767, 843, 1114, 1534, 1671, 1686, 2301, 3342, 3653, 4602, 7241, 7306, 10959, 14482, 16579, 21723, 21918, 32863, 33158, 43446, 49737, 65726, 98589, 99474, 156517, 197178, 215527, 313034, 427219, 431054, 469551, 646581, 854438, 939102, 1281657, 1293162, 2034721, 2563314, 4069442, 6104163, 9234503, 12208326, 18469006, 27703509, 55407018, 120048539, 240097078, 360145617, 720291234]

約数ペア:

[(1, 720291234), (2, 360145617), (3, 240097078), (6, 120048539), (13, 55407018), (26, 27703509), (39, 18469006), (59, 12208326), (78, 9234503), (118, 6104163), (177, 4069442), (281, 2563314), (354, 2034721), (557, 1293162), (562, 1281657), (767, 939102), (843, 854438), (1114, 646581), (1534, 469551), (1671, 431054), (1686, 427219), (2301, 313034), (3342, 215527), (3653, 197178), (4602, 156517), (7241, 99474), (7306, 98589), (10959, 65726), (14482, 49737), (16579, 43446), (21723, 33158), (21918, 32863)]