72156980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{22409}}^1$

素因数の和:22448

約数の個数: 48

約数和(自身を含む): 180714240

約数和(自身を除く): 108557260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 22409, 44818, 89636, 112045, 156863, 224090, 313726, 448180, 515407, 627452, 784315, 1030814, 1568630, 2061628, 2577035, 3137260, 3607849, 5154070, 7215698, 10308140, 14431396, 18039245, 36078490, 72156980]

約数ペア:

[(1, 72156980), (2, 36078490), (4, 18039245), (5, 14431396), (7, 10308140), (10, 7215698), (14, 5154070), (20, 3607849), (23, 3137260), (28, 2577035), (35, 2061628), (46, 1568630), (70, 1030814), (92, 784315), (115, 627452), (140, 515407), (161, 448180), (230, 313726), (322, 224090), (460, 156863), (644, 112045), (805, 89636), (1610, 44818), (3220, 22409)]