15040400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1979}}^1$

素因数の和:2016

約数の個数: 60

約数和(自身を含む): 38055600

約数和(自身を除く): 23015200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 1979, 3800, 3958, 7600, 7916, 9895, 15832, 19790, 31664, 37601, 39580, 49475, 75202, 79160, 98950, 150404, 158320, 188005, 197900, 300808, 376010, 395800, 601616, 752020, 791600, 940025, 1504040, 1880050, 3008080, 3760100, 7520200, 15040400]

約数ペア:

[(1, 15040400), (2, 7520200), (4, 3760100), (5, 3008080), (8, 1880050), (10, 1504040), (16, 940025), (19, 791600), (20, 752020), (25, 601616), (38, 395800), (40, 376010), (50, 300808), (76, 197900), (80, 188005), (95, 158320), (100, 150404), (152, 98950), (190, 79160), (200, 75202), (304, 49475), (380, 39580), (400, 37601), (475, 31664), (760, 19790), (950, 15832), (1520, 9895), (1900, 7916), (1979, 7600), (3800, 3958)]