64236620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{991}}^1$

素因数の和:1470

約数の個数: 48

約数和(自身を含む): 154656768

約数和(自身を除く): 90420148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 463, 926, 991, 1852, 1982, 2315, 3241, 3964, 4630, 4955, 6482, 6937, 9260, 9910, 12964, 13874, 16205, 19820, 27748, 32410, 34685, 64820, 69370, 138740, 458833, 917666, 1835332, 2294165, 3211831, 4588330, 6423662, 9176660, 12847324, 16059155, 32118310, 64236620]

約数ペア:

[(1, 64236620), (2, 32118310), (4, 16059155), (5, 12847324), (7, 9176660), (10, 6423662), (14, 4588330), (20, 3211831), (28, 2294165), (35, 1835332), (70, 917666), (140, 458833), (463, 138740), (926, 69370), (991, 64820), (1852, 34685), (1982, 32410), (2315, 27748), (3241, 19820), (3964, 16205), (4630, 13874), (4955, 12964), (6482, 9910), (6937, 9260)]