81065790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{359}}^1$

素因数の和:578

約数の個数: 96

約数和(自身を含む): 228795840

約数和(自身を除く): 147730050

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 193, 195, 234, 359, 386, 390, 579, 585, 718, 965, 1077, 1158, 1170, 1737, 1795, 1930, 2154, 2509, 2895, 3231, 3474, 3590, 4667, 5018, 5385, 5790, 6462, 7527, 8685, 9334, 10770, 12545, 14001, 15054, 16155, 17370, 22581, 23335, 25090, 28002, 32310, 37635, 42003, 45162, 46670, 69287, 70005, 75270, 84006, 112905, 138574, 140010, 207861, 210015, 225810, 346435, 415722, 420030, 623583, 692870, 900731, 1039305, 1247166, 1801462, 2078610, 2702193, 3117915, 4503655, 5404386, 6235830, 8106579, 9007310, 13510965, 16213158, 27021930, 40532895, 81065790]

約数ペア:

[(1, 81065790), (2, 40532895), (3, 27021930), (5, 16213158), (6, 13510965), (9, 9007310), (10, 8106579), (13, 6235830), (15, 5404386), (18, 4503655), (26, 3117915), (30, 2702193), (39, 2078610), (45, 1801462), (65, 1247166), (78, 1039305), (90, 900731), (117, 692870), (130, 623583), (193, 420030), (195, 415722), (234, 346435), (359, 225810), (386, 210015), (390, 207861), (579, 140010), (585, 138574), (718, 112905), (965, 84006), (1077, 75270), (1158, 70005), (1170, 69287), (1737, 46670), (1795, 45162), (1930, 42003), (2154, 37635), (2509, 32310), (2895, 28002), (3231, 25090), (3474, 23335), (3590, 22581), (4667, 17370), (5018, 16155), (5385, 15054), (5790, 14001), (6462, 12545), (7527, 10770), (8685, 9334)]