260015

素因数分解:

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

素因数の和:71

約数の個数: 32

約数和(自身を含む): 414720

約数和(自身を除く): 154705

約数列:

[1, 5, 7, 17, 19, 23, 35, 85, 95, 115, 119, 133, 161, 323, 391, 437, 595, 665, 805, 1615, 1955, 2185, 2261, 2737, 3059, 7429, 11305, 13685, 15295, 37145, 52003, 260015]

約数ペア:

[(1, 260015), (5, 52003), (7, 37145), (17, 15295), (19, 13685), (23, 11305), (35, 7429), (85, 3059), (95, 2737), (115, 2261), (119, 2185), (133, 1955), (161, 1615), (323, 805), (391, 665), (437, 595)]