31506431440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{240287}}^1$

素因数の和:240460

約数の個数: 80

約数和(自身を含む): 80448422400

約数和(自身を除く): 48941990960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 149, 176, 220, 298, 440, 596, 745, 880, 1192, 1490, 1639, 2384, 2980, 3278, 5960, 6556, 8195, 11920, 13112, 16390, 26224, 32780, 65560, 131120, 240287, 480574, 961148, 1201435, 1922296, 2402870, 2643157, 3844592, 4805740, 5286314, 9611480, 10572628, 13215785, 19222960, 21145256, 26431570, 35802763, 42290512, 52863140, 71605526, 105726280, 143211052, 179013815, 211452560, 286422104, 358027630, 393830393, 572844208, 716055260, 787660786, 1432110520, 1575321572, 1969151965, 2864221040, 3150643144, 3938303930, 6301286288, 7876607860, 15753215720, 31506431440]

約数ペア:

[(1, 31506431440), (2, 15753215720), (4, 7876607860), (5, 6301286288), (8, 3938303930), (10, 3150643144), (11, 2864221040), (16, 1969151965), (20, 1575321572), (22, 1432110520), (40, 787660786), (44, 716055260), (55, 572844208), (80, 393830393), (88, 358027630), (110, 286422104), (149, 211452560), (176, 179013815), (220, 143211052), (298, 105726280), (440, 71605526), (596, 52863140), (745, 42290512), (880, 35802763), (1192, 26431570), (1490, 21145256), (1639, 19222960), (2384, 13215785), (2980, 10572628), (3278, 9611480), (5960, 5286314), (6556, 4805740), (8195, 3844592), (11920, 2643157), (13112, 2402870), (16390, 1922296), (26224, 1201435), (32780, 961148), (65560, 480574), (131120, 240287)]