68439520

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:560

約数の個数: 96

約数和(自身を含む): 174182400

約数和(自身を除く): 105742880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 76, 80, 94, 95, 152, 160, 188, 190, 235, 304, 376, 380, 470, 479, 608, 752, 760, 893, 940, 958, 1504, 1520, 1786, 1880, 1916, 2395, 3040, 3572, 3760, 3832, 4465, 4790, 7144, 7520, 7664, 8930, 9101, 9580, 14288, 15328, 17860, 18202, 19160, 22513, 28576, 35720, 36404, 38320, 45026, 45505, 71440, 72808, 76640, 90052, 91010, 112565, 142880, 145616, 180104, 182020, 225130, 291232, 360208, 364040, 427747, 450260, 720416, 728080, 855494, 900520, 1456160, 1710988, 1801040, 2138735, 3421976, 3602080, 4277470, 6843952, 8554940, 13687904, 17109880, 34219760, 68439520]

約数ペア:

[(1, 68439520), (2, 34219760), (4, 17109880), (5, 13687904), (8, 8554940), (10, 6843952), (16, 4277470), (19, 3602080), (20, 3421976), (32, 2138735), (38, 1801040), (40, 1710988), (47, 1456160), (76, 900520), (80, 855494), (94, 728080), (95, 720416), (152, 450260), (160, 427747), (188, 364040), (190, 360208), (235, 291232), (304, 225130), (376, 182020), (380, 180104), (470, 145616), (479, 142880), (608, 112565), (752, 91010), (760, 90052), (893, 76640), (940, 72808), (958, 71440), (1504, 45505), (1520, 45026), (1786, 38320), (1880, 36404), (1916, 35720), (2395, 28576), (3040, 22513), (3572, 19160), (3760, 18202), (3832, 17860), (4465, 15328), (4790, 14288), (7144, 9580), (7520, 9101), (7664, 8930)]