168889396840

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1\times {\mathrm{66853}}^1$

素因数の和:67462

約数の個数: 64

約数和(自身を含む): 383610926160

約数和(自身を除く): 214721529320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 461, 548, 685, 922, 1096, 1370, 1844, 2305, 2740, 3688, 4610, 5480, 9220, 18440, 63157, 66853, 126314, 133706, 252628, 267412, 315785, 334265, 505256, 534824, 631570, 668530, 1263140, 1337060, 2526280, 2674120, 9158861, 18317722, 30819233, 36635444, 45794305, 61638466, 73270888, 91588610, 123276932, 154096165, 183177220, 246553864, 308192330, 366354440, 616384660, 1232769320, 4222234921, 8444469842, 16888939684, 21111174605, 33777879368, 42222349210, 84444698420, 168889396840]

約数ペア:

[(1, 168889396840), (2, 84444698420), (4, 42222349210), (5, 33777879368), (8, 21111174605), (10, 16888939684), (20, 8444469842), (40, 4222234921), (137, 1232769320), (274, 616384660), (461, 366354440), (548, 308192330), (685, 246553864), (922, 183177220), (1096, 154096165), (1370, 123276932), (1844, 91588610), (2305, 73270888), (2740, 61638466), (3688, 45794305), (4610, 36635444), (5480, 30819233), (9220, 18317722), (18440, 9158861), (63157, 2674120), (66853, 2526280), (126314, 1337060), (133706, 1263140), (252628, 668530), (267412, 631570), (315785, 534824), (334265, 505256)]