128291680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72893}}^1$

素因数の和:72919

約数の個数: 48

約数和(自身を含む): 330647184

約数和(自身を除く): 202355504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 72893, 145786, 291572, 364465, 583144, 728930, 801823, 1166288, 1457860, 1603646, 2332576, 2915720, 3207292, 4009115, 5831440, 6414584, 8018230, 11662880, 12829168, 16036460, 25658336, 32072920, 64145840, 128291680]

約数ペア:

[(1, 128291680), (2, 64145840), (4, 32072920), (5, 25658336), (8, 16036460), (10, 12829168), (11, 11662880), (16, 8018230), (20, 6414584), (22, 5831440), (32, 4009115), (40, 3207292), (44, 2915720), (55, 2332576), (80, 1603646), (88, 1457860), (110, 1166288), (160, 801823), (176, 728930), (220, 583144), (352, 364465), (440, 291572), (880, 145786), (1760, 72893)]