256514160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{853}}^1$

素因数の和:1055

約数の個数: 160

約数和(自身を含む): 914941440

約数和(自身を除く): 658427280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 179, 210, 240, 280, 336, 358, 420, 537, 560, 716, 840, 853, 895, 1074, 1253, 1432, 1680, 1706, 1790, 2148, 2506, 2559, 2685, 2864, 3412, 3580, 3759, 4265, 4296, 5012, 5118, 5370, 5971, 6265, 6824, 7160, 7518, 8530, 8592, 10024, 10236, 10740, 11942, 12530, 12795, 13648, 14320, 15036, 17060, 17913, 18795, 20048, 20472, 21480, 23884, 25060, 25590, 29855, 30072, 34120, 35826, 37590, 40944, 42960, 47768, 50120, 51180, 59710, 60144, 68240, 71652, 75180, 89565, 95536, 100240, 102360, 119420, 143304, 150360, 152687, 179130, 204720, 238840, 286608, 300720, 305374, 358260, 458061, 477680, 610748, 716520, 763435, 916122, 1068809, 1221496, 1433040, 1526870, 1832244, 2137618, 2290305, 2442992, 3053740, 3206427, 3664488, 4275236, 4580610, 5344045, 6107480, 6412854, 7328976, 8550472, 9161220, 10688090, 12214960, 12825708, 16032135, 17100944, 18322440, 21376180, 25651416, 32064270, 36644880, 42752360, 51302832, 64128540, 85504720, 128257080, 256514160]

約数ペア:

[(1, 256514160), (2, 128257080), (3, 85504720), (4, 64128540), (5, 51302832), (6, 42752360), (7, 36644880), (8, 32064270), (10, 25651416), (12, 21376180), (14, 18322440), (15, 17100944), (16, 16032135), (20, 12825708), (21, 12214960), (24, 10688090), (28, 9161220), (30, 8550472), (35, 7328976), (40, 6412854), (42, 6107480), (48, 5344045), (56, 4580610), (60, 4275236), (70, 3664488), (80, 3206427), (84, 3053740), (105, 2442992), (112, 2290305), (120, 2137618), (140, 1832244), (168, 1526870), (179, 1433040), (210, 1221496), (240, 1068809), (280, 916122), (336, 763435), (358, 716520), (420, 610748), (537, 477680), (560, 458061), (716, 358260), (840, 305374), (853, 300720), (895, 286608), (1074, 238840), (1253, 204720), (1432, 179130), (1680, 152687), (1706, 150360), (1790, 143304), (2148, 119420), (2506, 102360), (2559, 100240), (2685, 95536), (2864, 89565), (3412, 75180), (3580, 71652), (3759, 68240), (4265, 60144), (4296, 59710), (5012, 51180), (5118, 50120), (5370, 47768), (5971, 42960), (6265, 40944), (6824, 37590), (7160, 35826), (7518, 34120), (8530, 30072), (8592, 29855), (10024, 25590), (10236, 25060), (10740, 23884), (11942, 21480), (12530, 20472), (12795, 20048), (13648, 18795), (14320, 17913), (15036, 17060)]