128972360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1867}}^1$

素因数の和:2046

約数の個数: 64

約数和(自身を含む): 318755520

約数和(自身を除く): 189783160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 314, 440, 628, 785, 1256, 1570, 1727, 1867, 3140, 3454, 3734, 6280, 6908, 7468, 8635, 9335, 13816, 14936, 17270, 18670, 20537, 34540, 37340, 41074, 69080, 74680, 82148, 102685, 164296, 205370, 293119, 410740, 586238, 821480, 1172476, 1465595, 2344952, 2931190, 3224309, 5862380, 6448618, 11724760, 12897236, 16121545, 25794472, 32243090, 64486180, 128972360]

約数ペア:

[(1, 128972360), (2, 64486180), (4, 32243090), (5, 25794472), (8, 16121545), (10, 12897236), (11, 11724760), (20, 6448618), (22, 5862380), (40, 3224309), (44, 2931190), (55, 2344952), (88, 1465595), (110, 1172476), (157, 821480), (220, 586238), (314, 410740), (440, 293119), (628, 205370), (785, 164296), (1256, 102685), (1570, 82148), (1727, 74680), (1867, 69080), (3140, 41074), (3454, 37340), (3734, 34540), (6280, 20537), (6908, 18670), (7468, 17270), (8635, 14936), (9335, 13816)]