72443960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 172800000

約数和(自身を除く): 100356040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 199, 380, 398, 479, 760, 796, 958, 995, 1592, 1916, 1990, 2395, 3781, 3832, 3980, 4790, 7562, 7960, 9101, 9580, 15124, 18202, 18905, 19160, 30248, 36404, 37810, 45505, 72808, 75620, 91010, 95321, 151240, 182020, 190642, 364040, 381284, 476605, 762568, 953210, 1811099, 1906420, 3622198, 3812840, 7244396, 9055495, 14488792, 18110990, 36221980, 72443960]

約数ペア:

[(1, 72443960), (2, 36221980), (4, 18110990), (5, 14488792), (8, 9055495), (10, 7244396), (19, 3812840), (20, 3622198), (38, 1906420), (40, 1811099), (76, 953210), (95, 762568), (152, 476605), (190, 381284), (199, 364040), (380, 190642), (398, 182020), (479, 151240), (760, 95321), (796, 91010), (958, 75620), (995, 72808), (1592, 45505), (1916, 37810), (1990, 36404), (2395, 30248), (3781, 19160), (3832, 18905), (3980, 18202), (4790, 15124), (7562, 9580), (7960, 9101)]