64574440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1093}}^1$

素因数の和:1322

約数の個数: 64

約数和(自身を含む): 166988160

約数和(自身を除く): 102413720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 844, 1055, 1093, 1477, 1688, 2110, 2186, 2954, 4220, 4372, 5465, 5908, 7385, 7651, 8440, 8744, 10930, 11816, 14770, 15302, 21860, 29540, 30604, 38255, 43720, 59080, 61208, 76510, 153020, 230623, 306040, 461246, 922492, 1153115, 1614361, 1844984, 2306230, 3228722, 4612460, 6457444, 8071805, 9224920, 12914888, 16143610, 32287220, 64574440]

約数ペア:

[(1, 64574440), (2, 32287220), (4, 16143610), (5, 12914888), (7, 9224920), (8, 8071805), (10, 6457444), (14, 4612460), (20, 3228722), (28, 2306230), (35, 1844984), (40, 1614361), (56, 1153115), (70, 922492), (140, 461246), (211, 306040), (280, 230623), (422, 153020), (844, 76510), (1055, 61208), (1093, 59080), (1477, 43720), (1688, 38255), (2110, 30604), (2186, 29540), (2954, 21860), (4220, 15302), (4372, 14770), (5465, 11816), (5908, 10930), (7385, 8744), (7651, 8440)]