157440800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17891}}^1$

素因数の和:17922

約数の個数: 72

約数和(自身を含む): 419316912

約数和(自身を除く): 261876112

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 4400, 8800, 17891, 35782, 71564, 89455, 143128, 178910, 196801, 286256, 357820, 393602, 447275, 572512, 715640, 787204, 894550, 984005, 1431280, 1574408, 1789100, 1968010, 2862560, 3148816, 3578200, 3936020, 4920025, 6297632, 7156400, 7872040, 9840050, 14312800, 15744080, 19680100, 31488160, 39360200, 78720400, 157440800]

約数ペア:

[(1, 157440800), (2, 78720400), (4, 39360200), (5, 31488160), (8, 19680100), (10, 15744080), (11, 14312800), (16, 9840050), (20, 7872040), (22, 7156400), (25, 6297632), (32, 4920025), (40, 3936020), (44, 3578200), (50, 3148816), (55, 2862560), (80, 1968010), (88, 1789100), (100, 1574408), (110, 1431280), (160, 984005), (176, 894550), (200, 787204), (220, 715640), (275, 572512), (352, 447275), (400, 393602), (440, 357820), (550, 286256), (800, 196801), (880, 178910), (1100, 143128), (1760, 89455), (2200, 71564), (4400, 35782), (8800, 17891)]