28758840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21787}}^1$

素因数の和:21812

約数の個数: 64

約数和(自身を含む): 94124160

約数和(自身を除く): 65365320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21787, 43574, 65361, 87148, 108935, 130722, 174296, 217870, 239657, 261444, 326805, 435740, 479314, 522888, 653610, 718971, 871480, 958628, 1198285, 1307220, 1437942, 1917256, 2396570, 2614440, 2875884, 3594855, 4793140, 5751768, 7189710, 9586280, 14379420, 28758840]

約数ペア:

[(1, 28758840), (2, 14379420), (3, 9586280), (4, 7189710), (5, 5751768), (6, 4793140), (8, 3594855), (10, 2875884), (11, 2614440), (12, 2396570), (15, 1917256), (20, 1437942), (22, 1307220), (24, 1198285), (30, 958628), (33, 871480), (40, 718971), (44, 653610), (55, 522888), (60, 479314), (66, 435740), (88, 326805), (110, 261444), (120, 239657), (132, 217870), (165, 174296), (220, 130722), (264, 108935), (330, 87148), (440, 65361), (660, 43574), (1320, 21787)]