1268372840

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{193}}^1\times {\mathrm{479}}^1$

素因数の和:704

約数の個数: 128

約数和(自身を含む): 3352320000

約数和(自身を除く): 2083947160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 193, 196, 245, 280, 343, 386, 392, 479, 490, 686, 772, 958, 965, 980, 1351, 1372, 1544, 1715, 1916, 1930, 1960, 2395, 2702, 2744, 3353, 3430, 3832, 3860, 4790, 5404, 6706, 6755, 6860, 7720, 9457, 9580, 10808, 13412, 13510, 13720, 16765, 18914, 19160, 23471, 26824, 27020, 33530, 37828, 46942, 47285, 54040, 66199, 67060, 75656, 92447, 93884, 94570, 117355, 132398, 134120, 164297, 184894, 187768, 189140, 234710, 264796, 328594, 330995, 369788, 378280, 462235, 469420, 529592, 647129, 657188, 661990, 739576, 821485, 924470, 938840, 1294258, 1314376, 1323980, 1642970, 1848940, 2588516, 2647960, 3235645, 3285940, 3697880, 4529903, 5177032, 6471290, 6571880, 9059806, 12942580, 18119612, 22649515, 25885160, 31709321, 36239224, 45299030, 63418642, 90598060, 126837284, 158546605, 181196120, 253674568, 317093210, 634186420, 1268372840]

約数ペア:

[(1, 1268372840), (2, 634186420), (4, 317093210), (5, 253674568), (7, 181196120), (8, 158546605), (10, 126837284), (14, 90598060), (20, 63418642), (28, 45299030), (35, 36239224), (40, 31709321), (49, 25885160), (56, 22649515), (70, 18119612), (98, 12942580), (140, 9059806), (193, 6571880), (196, 6471290), (245, 5177032), (280, 4529903), (343, 3697880), (386, 3285940), (392, 3235645), (479, 2647960), (490, 2588516), (686, 1848940), (772, 1642970), (958, 1323980), (965, 1314376), (980, 1294258), (1351, 938840), (1372, 924470), (1544, 821485), (1715, 739576), (1916, 661990), (1930, 657188), (1960, 647129), (2395, 529592), (2702, 469420), (2744, 462235), (3353, 378280), (3430, 369788), (3832, 330995), (3860, 328594), (4790, 264796), (5404, 234710), (6706, 189140), (6755, 187768), (6860, 184894), (7720, 164297), (9457, 134120), (9580, 132398), (10808, 117355), (13412, 94570), (13510, 93884), (13720, 92447), (16765, 75656), (18914, 67060), (19160, 66199), (23471, 54040), (26824, 47285), (27020, 46942), (33530, 37828)]