660934144

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{911}}^1$

素因数の和:1051

約数の個数: 80

約数和(自身を含む): 1436783040

約数和(自身を除く): 775848896

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 109, 128, 208, 218, 256, 416, 436, 512, 832, 872, 911, 1417, 1664, 1744, 1822, 2834, 3328, 3488, 3644, 5668, 6656, 6976, 7288, 11336, 11843, 13952, 14576, 22672, 23686, 27904, 29152, 45344, 47372, 55808, 58304, 90688, 94744, 99299, 116608, 181376, 189488, 198598, 233216, 362752, 378976, 397196, 466432, 725504, 757952, 794392, 1290887, 1515904, 1588784, 2581774, 3031808, 3177568, 5163548, 6063616, 6355136, 10327096, 12710272, 20654192, 25420544, 41308384, 50841088, 82616768, 165233536, 330467072, 660934144]

約数ペア:

[(1, 660934144), (2, 330467072), (4, 165233536), (8, 82616768), (13, 50841088), (16, 41308384), (26, 25420544), (32, 20654192), (52, 12710272), (64, 10327096), (104, 6355136), (109, 6063616), (128, 5163548), (208, 3177568), (218, 3031808), (256, 2581774), (416, 1588784), (436, 1515904), (512, 1290887), (832, 794392), (872, 757952), (911, 725504), (1417, 466432), (1664, 397196), (1744, 378976), (1822, 362752), (2834, 233216), (3328, 198598), (3488, 189488), (3644, 181376), (5668, 116608), (6656, 99299), (6976, 94744), (7288, 90688), (11336, 58304), (11843, 55808), (13952, 47372), (14576, 45344), (22672, 29152), (23686, 27904)]