68012840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 186624000

約数和(自身を除く): 118611160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 59, 70, 92, 115, 118, 140, 161, 179, 184, 230, 236, 280, 295, 322, 358, 413, 460, 472, 590, 644, 716, 805, 826, 895, 920, 1180, 1253, 1288, 1357, 1432, 1610, 1652, 1790, 2065, 2360, 2506, 2714, 3220, 3304, 3580, 4117, 4130, 5012, 5428, 6265, 6440, 6785, 7160, 8234, 8260, 9499, 10024, 10561, 10856, 12530, 13570, 16468, 16520, 18998, 20585, 21122, 25060, 27140, 28819, 32936, 37996, 41170, 42244, 47495, 50120, 52805, 54280, 57638, 73927, 75992, 82340, 84488, 94990, 105610, 115276, 144095, 147854, 164680, 189980, 211220, 230552, 242903, 288190, 295708, 369635, 379960, 422440, 485806, 576380, 591416, 739270, 971612, 1152760, 1214515, 1478540, 1700321, 1943224, 2429030, 2957080, 3400642, 4858060, 6801284, 8501605, 9716120, 13602568, 17003210, 34006420, 68012840]

約数ペア:

[(1, 68012840), (2, 34006420), (4, 17003210), (5, 13602568), (7, 9716120), (8, 8501605), (10, 6801284), (14, 4858060), (20, 3400642), (23, 2957080), (28, 2429030), (35, 1943224), (40, 1700321), (46, 1478540), (56, 1214515), (59, 1152760), (70, 971612), (92, 739270), (115, 591416), (118, 576380), (140, 485806), (161, 422440), (179, 379960), (184, 369635), (230, 295708), (236, 288190), (280, 242903), (295, 230552), (322, 211220), (358, 189980), (413, 164680), (460, 147854), (472, 144095), (590, 115276), (644, 105610), (716, 94990), (805, 84488), (826, 82340), (895, 75992), (920, 73927), (1180, 57638), (1253, 54280), (1288, 52805), (1357, 50120), (1432, 47495), (1610, 42244), (1652, 41170), (1790, 37996), (2065, 32936), (2360, 28819), (2506, 27140), (2714, 25060), (3220, 21122), (3304, 20585), (3580, 18998), (4117, 16520), (4130, 16468), (5012, 13570), (5428, 12530), (6265, 10856), (6440, 10561), (6785, 10024), (7160, 9499), (8234, 8260)]