259280640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:415

約数の個数: 216

約数和(自身を含む): 912588768

約数和(自身を除く): 653308128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 71, 72, 80, 90, 96, 120, 128, 142, 144, 160, 180, 192, 213, 240, 256, 284, 288, 317, 320, 355, 360, 384, 426, 480, 568, 576, 634, 639, 640, 710, 720, 768, 852, 951, 960, 1065, 1136, 1152, 1268, 1278, 1280, 1420, 1440, 1585, 1704, 1902, 1920, 2130, 2272, 2304, 2536, 2556, 2840, 2853, 2880, 3170, 3195, 3408, 3804, 3840, 4260, 4544, 4755, 5072, 5112, 5680, 5706, 5760, 6340, 6390, 6816, 7608, 8520, 9088, 9510, 10144, 10224, 11360, 11412, 11520, 12680, 12780, 13632, 14265, 15216, 17040, 18176, 19020, 20288, 20448, 22507, 22720, 22824, 25360, 25560, 27264, 28530, 30432, 34080, 38040, 40576, 40896, 45014, 45440, 45648, 50720, 51120, 54528, 57060, 60864, 67521, 68160, 76080, 81152, 81792, 90028, 90880, 91296, 101440, 102240, 112535, 114120, 121728, 135042, 136320, 152160, 163584, 180056, 182592, 202563, 202880, 204480, 225070, 228240, 243456, 270084, 272640, 304320, 337605, 360112, 365184, 405126, 405760, 408960, 450140, 456480, 540168, 608640, 675210, 720224, 730368, 810252, 817920, 900280, 912960, 1012815, 1080336, 1217280, 1350420, 1440448, 1620504, 1800560, 1825920, 2025630, 2160672, 2700840, 2880896, 3241008, 3601120, 3651840, 4051260, 4321344, 5401680, 5761792, 6482016, 7202240, 8102520, 8642688, 10803360, 12964032, 14404480, 16205040, 17285376, 21606720, 25928064, 28808960, 32410080, 43213440, 51856128, 64820160, 86426880, 129640320, 259280640]

約数ペア:

[(1, 259280640), (2, 129640320), (3, 86426880), (4, 64820160), (5, 51856128), (6, 43213440), (8, 32410080), (9, 28808960), (10, 25928064), (12, 21606720), (15, 17285376), (16, 16205040), (18, 14404480), (20, 12964032), (24, 10803360), (30, 8642688), (32, 8102520), (36, 7202240), (40, 6482016), (45, 5761792), (48, 5401680), (60, 4321344), (64, 4051260), (71, 3651840), (72, 3601120), (80, 3241008), (90, 2880896), (96, 2700840), (120, 2160672), (128, 2025630), (142, 1825920), (144, 1800560), (160, 1620504), (180, 1440448), (192, 1350420), (213, 1217280), (240, 1080336), (256, 1012815), (284, 912960), (288, 900280), (317, 817920), (320, 810252), (355, 730368), (360, 720224), (384, 675210), (426, 608640), (480, 540168), (568, 456480), (576, 450140), (634, 408960), (639, 405760), (640, 405126), (710, 365184), (720, 360112), (768, 337605), (852, 304320), (951, 272640), (960, 270084), (1065, 243456), (1136, 228240), (1152, 225070), (1268, 204480), (1278, 202880), (1280, 202563), (1420, 182592), (1440, 180056), (1585, 163584), (1704, 152160), (1902, 136320), (1920, 135042), (2130, 121728), (2272, 114120), (2304, 112535), (2536, 102240), (2556, 101440), (2840, 91296), (2853, 90880), (2880, 90028), (3170, 81792), (3195, 81152), (3408, 76080), (3804, 68160), (3840, 67521), (4260, 60864), (4544, 57060), (4755, 54528), (5072, 51120), (5112, 50720), (5680, 45648), (5706, 45440), (5760, 45014), (6340, 40896), (6390, 40576), (6816, 38040), (7608, 34080), (8520, 30432), (9088, 28530), (9510, 27264), (10144, 25560), (10224, 25360), (11360, 22824), (11412, 22720), (11520, 22507), (12680, 20448), (12780, 20288), (13632, 19020), (14265, 18176), (15216, 17040)]