82705770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 144

約数和(自身を含む): 255146112

約数和(自身を除く): 172440342

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 43, 45, 63, 70, 71, 86, 90, 105, 126, 129, 142, 210, 213, 215, 258, 301, 315, 355, 387, 426, 430, 497, 602, 630, 639, 645, 710, 774, 903, 994, 1065, 1278, 1290, 1491, 1505, 1806, 1849, 1935, 2130, 2485, 2709, 2982, 3010, 3053, 3195, 3698, 3870, 4473, 4515, 4970, 5418, 5547, 6106, 6390, 7455, 8946, 9030, 9159, 9245, 11094, 12943, 13545, 14910, 15265, 16641, 18318, 18490, 21371, 22365, 25886, 27090, 27477, 27735, 30530, 33282, 38829, 42742, 44730, 45795, 54954, 55470, 64113, 64715, 77658, 83205, 91590, 106855, 116487, 128226, 129430, 131279, 137385, 166410, 192339, 194145, 213710, 232974, 262558, 274770, 320565, 384678, 388290, 393837, 582435, 641130, 656395, 787674, 918953, 961695, 1164870, 1181511, 1312790, 1837906, 1923390, 1969185, 2363022, 2756859, 3938370, 4594765, 5513718, 5907555, 8270577, 9189530, 11815110, 13784295, 16541154, 27568590, 41352885, 82705770]

約数ペア:

[(1, 82705770), (2, 41352885), (3, 27568590), (5, 16541154), (6, 13784295), (7, 11815110), (9, 9189530), (10, 8270577), (14, 5907555), (15, 5513718), (18, 4594765), (21, 3938370), (30, 2756859), (35, 2363022), (42, 1969185), (43, 1923390), (45, 1837906), (63, 1312790), (70, 1181511), (71, 1164870), (86, 961695), (90, 918953), (105, 787674), (126, 656395), (129, 641130), (142, 582435), (210, 393837), (213, 388290), (215, 384678), (258, 320565), (301, 274770), (315, 262558), (355, 232974), (387, 213710), (426, 194145), (430, 192339), (497, 166410), (602, 137385), (630, 131279), (639, 129430), (645, 128226), (710, 116487), (774, 106855), (903, 91590), (994, 83205), (1065, 77658), (1278, 64715), (1290, 64113), (1491, 55470), (1505, 54954), (1806, 45795), (1849, 44730), (1935, 42742), (2130, 38829), (2485, 33282), (2709, 30530), (2982, 27735), (3010, 27477), (3053, 27090), (3195, 25886), (3698, 22365), (3870, 21371), (4473, 18490), (4515, 18318), (4970, 16641), (5418, 15265), (5547, 14910), (6106, 13545), (6390, 12943), (7455, 11094), (8946, 9245), (9030, 9159)]