168987560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12841}}^1$

素因数の和:12906

約数の個数: 64

約数和(自身を含む): 443819520

約数和(自身を除く): 274831960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 6580, 12841, 13160, 25682, 51364, 64205, 89887, 102728, 128410, 179774, 256820, 359548, 449435, 513640, 603527, 719096, 898870, 1207054, 1797740, 2414108, 3017635, 3595480, 4224689, 4828216, 6035270, 8449378, 12070540, 16898756, 21123445, 24141080, 33797512, 42246890, 84493780, 168987560]

約数ペア:

[(1, 168987560), (2, 84493780), (4, 42246890), (5, 33797512), (7, 24141080), (8, 21123445), (10, 16898756), (14, 12070540), (20, 8449378), (28, 6035270), (35, 4828216), (40, 4224689), (47, 3595480), (56, 3017635), (70, 2414108), (94, 1797740), (140, 1207054), (188, 898870), (235, 719096), (280, 603527), (329, 513640), (376, 449435), (470, 359548), (658, 256820), (940, 179774), (1316, 128410), (1645, 102728), (1880, 89887), (2632, 64205), (3290, 51364), (6580, 25682), (12841, 13160)]