81712440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{643}}^1$

素因数の和:1013

約数の個数: 96

約数和(自身を含む): 266731920

約数和(自身を除く): 185019480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 353, 360, 643, 706, 1059, 1286, 1412, 1765, 1929, 2118, 2572, 2824, 3177, 3215, 3530, 3858, 4236, 5144, 5295, 5787, 6354, 6430, 7060, 7716, 8472, 9645, 10590, 11574, 12708, 12860, 14120, 15432, 15885, 19290, 21180, 23148, 25416, 25720, 28935, 31770, 38580, 42360, 46296, 57870, 63540, 77160, 115740, 127080, 226979, 231480, 453958, 680937, 907916, 1134895, 1361874, 1815832, 2042811, 2269790, 2723748, 3404685, 4085622, 4539580, 5447496, 6809370, 8171244, 9079160, 10214055, 13618740, 16342488, 20428110, 27237480, 40856220, 81712440]

約数ペア:

[(1, 81712440), (2, 40856220), (3, 27237480), (4, 20428110), (5, 16342488), (6, 13618740), (8, 10214055), (9, 9079160), (10, 8171244), (12, 6809370), (15, 5447496), (18, 4539580), (20, 4085622), (24, 3404685), (30, 2723748), (36, 2269790), (40, 2042811), (45, 1815832), (60, 1361874), (72, 1134895), (90, 907916), (120, 680937), (180, 453958), (353, 231480), (360, 226979), (643, 127080), (706, 115740), (1059, 77160), (1286, 63540), (1412, 57870), (1765, 46296), (1929, 42360), (2118, 38580), (2572, 31770), (2824, 28935), (3177, 25720), (3215, 25416), (3530, 23148), (3858, 21180), (4236, 19290), (5144, 15885), (5295, 15432), (5787, 14120), (6354, 12860), (6430, 12708), (7060, 11574), (7716, 10590), (8472, 9645)]