28869120

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{179}}^1$

素因数の和:215

約数の個数: 240

約数和(自身を含む): 114903360

約数和(自身を除く): 86034240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 179, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 358, 360, 384, 420, 448, 480, 504, 512, 537, 560, 576, 630, 640, 672, 716, 720, 768, 840, 895, 896, 960, 1008, 1074, 1120, 1152, 1253, 1260, 1280, 1344, 1432, 1440, 1536, 1611, 1680, 1790, 1792, 1920, 2016, 2148, 2240, 2304, 2506, 2520, 2560, 2685, 2688, 2864, 2880, 3222, 3360, 3580, 3584, 3759, 3840, 4032, 4296, 4480, 4608, 5012, 5040, 5370, 5376, 5728, 5760, 6265, 6444, 6720, 7160, 7518, 7680, 8055, 8064, 8592, 8960, 10024, 10080, 10740, 10752, 11277, 11456, 11520, 12530, 12888, 13440, 14320, 15036, 16110, 16128, 17184, 17920, 18795, 20048, 20160, 21480, 22554, 22912, 23040, 25060, 25776, 26880, 28640, 30072, 32220, 32256, 34368, 37590, 40096, 40320, 42960, 45108, 45824, 50120, 51552, 53760, 56385, 57280, 60144, 64440, 68736, 75180, 80192, 80640, 85920, 90216, 91648, 100240, 103104, 112770, 114560, 120288, 128880, 137472, 150360, 160384, 161280, 171840, 180432, 200480, 206208, 225540, 229120, 240576, 257760, 274944, 300720, 320768, 343680, 360864, 400960, 412416, 451080, 458240, 481152, 515520, 601440, 641536, 687360, 721728, 801920, 824832, 902160, 962304, 1031040, 1202880, 1374720, 1443456, 1603840, 1804320, 1924608, 2062080, 2405760, 2886912, 3207680, 3608640, 4124160, 4811520, 5773824, 7217280, 9623040, 14434560, 28869120]

約数ペア:

[(1, 28869120), (2, 14434560), (3, 9623040), (4, 7217280), (5, 5773824), (6, 4811520), (7, 4124160), (8, 3608640), (9, 3207680), (10, 2886912), (12, 2405760), (14, 2062080), (15, 1924608), (16, 1804320), (18, 1603840), (20, 1443456), (21, 1374720), (24, 1202880), (28, 1031040), (30, 962304), (32, 902160), (35, 824832), (36, 801920), (40, 721728), (42, 687360), (45, 641536), (48, 601440), (56, 515520), (60, 481152), (63, 458240), (64, 451080), (70, 412416), (72, 400960), (80, 360864), (84, 343680), (90, 320768), (96, 300720), (105, 274944), (112, 257760), (120, 240576), (126, 229120), (128, 225540), (140, 206208), (144, 200480), (160, 180432), (168, 171840), (179, 161280), (180, 160384), (192, 150360), (210, 137472), (224, 128880), (240, 120288), (252, 114560), (256, 112770), (280, 103104), (288, 100240), (315, 91648), (320, 90216), (336, 85920), (358, 80640), (360, 80192), (384, 75180), (420, 68736), (448, 64440), (480, 60144), (504, 57280), (512, 56385), (537, 53760), (560, 51552), (576, 50120), (630, 45824), (640, 45108), (672, 42960), (716, 40320), (720, 40096), (768, 37590), (840, 34368), (895, 32256), (896, 32220), (960, 30072), (1008, 28640), (1074, 26880), (1120, 25776), (1152, 25060), (1253, 23040), (1260, 22912), (1280, 22554), (1344, 21480), (1432, 20160), (1440, 20048), (1536, 18795), (1611, 17920), (1680, 17184), (1790, 16128), (1792, 16110), (1920, 15036), (2016, 14320), (2148, 13440), (2240, 12888), (2304, 12530), (2506, 11520), (2520, 11456), (2560, 11277), (2685, 10752), (2688, 10740), (2864, 10080), (2880, 10024), (3222, 8960), (3360, 8592), (3580, 8064), (3584, 8055), (3759, 7680), (3840, 7518), (4032, 7160), (4296, 6720), (4480, 6444), (4608, 6265), (5012, 5760), (5040, 5728), (5370, 5376)]