15920796160

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{327319}}^1$

素因数の和:327361

約数の個数: 80

約数和(自身を含む): 40181803200

約数和(自身を除く): 24261007040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1520, 2432, 2560, 3040, 4864, 6080, 9728, 12160, 24320, 48640, 327319, 654638, 1309276, 1636595, 2618552, 3273190, 5237104, 6219061, 6546380, 10474208, 12438122, 13092760, 20948416, 24876244, 26185520, 31095305, 41896832, 49752488, 52371040, 62190610, 83793664, 99504976, 104742080, 124381220, 167587328, 199009952, 209484160, 248762440, 398019904, 418968320, 497524880, 796039808, 837936640, 995049760, 1592079616, 1990099520, 3184159232, 3980199040, 7960398080, 15920796160]

約数ペア:

[(1, 15920796160), (2, 7960398080), (4, 3980199040), (5, 3184159232), (8, 1990099520), (10, 1592079616), (16, 995049760), (19, 837936640), (20, 796039808), (32, 497524880), (38, 418968320), (40, 398019904), (64, 248762440), (76, 209484160), (80, 199009952), (95, 167587328), (128, 124381220), (152, 104742080), (160, 99504976), (190, 83793664), (256, 62190610), (304, 52371040), (320, 49752488), (380, 41896832), (512, 31095305), (608, 26185520), (640, 24876244), (760, 20948416), (1216, 13092760), (1280, 12438122), (1520, 10474208), (2432, 6546380), (2560, 6219061), (3040, 5237104), (4864, 3273190), (6080, 2618552), (9728, 1636595), (12160, 1309276), (24320, 654638), (48640, 327319)]