123661480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{3217}}^1$

素因数の和:3290

約数の個数: 48

約数和(自身を含む): 287592660

約数和(自身を除く): 163931180

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3217, 3844, 4805, 6434, 7688, 9610, 12868, 16085, 19220, 25736, 32170, 38440, 64340, 99727, 128680, 199454, 398908, 498635, 797816, 997270, 1994540, 3091537, 3989080, 6183074, 12366148, 15457685, 24732296, 30915370, 61830740, 123661480]

約数ペア:

[(1, 123661480), (2, 61830740), (4, 30915370), (5, 24732296), (8, 15457685), (10, 12366148), (20, 6183074), (31, 3989080), (40, 3091537), (62, 1994540), (124, 997270), (155, 797816), (248, 498635), (310, 398908), (620, 199454), (961, 128680), (1240, 99727), (1922, 64340), (3217, 38440), (3844, 32170), (4805, 25736), (6434, 19220), (7688, 16085), (9610, 12868)]