68383945

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 109486080

約数和(自身を除く): 41102135

約数列:

[1, 5, 7, 17, 19, 23, 35, 85, 95, 115, 119, 133, 161, 263, 323, 391, 437, 595, 665, 805, 1315, 1615, 1841, 1955, 2185, 2261, 2737, 3059, 4471, 4997, 6049, 7429, 9205, 11305, 13685, 15295, 22355, 24985, 30245, 31297, 34979, 37145, 42343, 52003, 84949, 102833, 114931, 156485, 174895, 211715, 260015, 424745, 514165, 574655, 594643, 719831, 804517, 1953827, 2973215, 3599155, 4022585, 9769135, 13676789, 68383945]

約数ペア:

[(1, 68383945), (5, 13676789), (7, 9769135), (17, 4022585), (19, 3599155), (23, 2973215), (35, 1953827), (85, 804517), (95, 719831), (115, 594643), (119, 574655), (133, 514165), (161, 424745), (263, 260015), (323, 211715), (391, 174895), (437, 156485), (595, 114931), (665, 102833), (805, 84949), (1315, 52003), (1615, 42343), (1841, 37145), (1955, 34979), (2185, 31297), (2261, 30245), (2737, 24985), (3059, 22355), (4471, 15295), (4997, 13685), (6049, 11305), (7429, 9205)]