728080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:511

約数の個数: 40

約数和(自身を含む): 1785600

約数和(自身を除く): 1057520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 479, 760, 958, 1520, 1916, 2395, 3832, 4790, 7664, 9101, 9580, 18202, 19160, 36404, 38320, 45505, 72808, 91010, 145616, 182020, 364040, 728080]

約数ペア:

[(1, 728080), (2, 364040), (4, 182020), (5, 145616), (8, 91010), (10, 72808), (16, 45505), (19, 38320), (20, 36404), (38, 19160), (40, 18202), (76, 9580), (80, 9101), (95, 7664), (152, 4790), (190, 3832), (304, 2395), (380, 1916), (479, 1520), (760, 958)]