157520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1$

素因数の和:203

約数の個数: 40

約数和(自身を含む): 401760

約数和(自身を除く): 244240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 179, 220, 358, 440, 716, 880, 895, 1432, 1790, 1969, 2864, 3580, 3938, 7160, 7876, 9845, 14320, 15752, 19690, 31504, 39380, 78760, 157520]

約数ペア:

[(1, 157520), (2, 78760), (4, 39380), (5, 31504), (8, 19690), (10, 15752), (11, 14320), (16, 9845), (20, 7876), (22, 7160), (40, 3938), (44, 3580), (55, 2864), (80, 1969), (88, 1790), (110, 1432), (176, 895), (179, 880), (220, 716), (358, 440)]