1885201920

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{11689}}^1$

素因数の和:11725

約数の個数: 240

約数和(自身を含む): 7462334880

約数和(自身を除く): 5577132960

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, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3360, 3584, 3840, 4032, 4480, 4608, 5040, 5376, 5760, 6720, 7680, 8064, 8960, 10080, 10752, 11520, 11689, 13440, 16128, 17920, 20160, 23040, 23378, 26880, 32256, 35067, 40320, 46756, 53760, 58445, 70134, 80640, 81823, 93512, 105201, 116890, 140268, 161280, 163646, 175335, 187024, 210402, 233780, 245469, 280536, 327292, 350670, 374048, 409115, 420804, 467560, 490938, 526005, 561072, 654584, 701340, 736407, 748096, 818230, 841608, 935120, 981876, 1052010, 1122144, 1227345, 1309168, 1402680, 1472814, 1496192, 1636460, 1683216, 1870240, 1963752, 2104020, 2244288, 2454690, 2618336, 2805360, 2945628, 2992384, 3272920, 3366432, 3682035, 3740480, 3927504, 4208040, 4488576, 4909380, 5236672, 5610720, 5891256, 5984768, 6545840, 6732864, 7364070, 7480960, 7855008, 8416080, 8977152, 9818760, 10473344, 11221440, 11782512, 13091680, 13465728, 14728140, 14961920, 15710016, 16832160, 17954304, 19637520, 20946688, 22442880, 23565024, 26183360, 26931456, 29456280, 29923840, 31420032, 33664320, 39275040, 41893376, 44885760, 47130048, 52366720, 53862912, 58912560, 62840064, 67328640, 78550080, 89771520, 94260096, 104733440, 117825120, 125680128, 134657280, 157100160, 188520192, 209466880, 235650240, 269314560, 314200320, 377040384, 471300480, 628400640, 942600960, 1885201920]

約数ペア:

[(1, 1885201920), (2, 942600960), (3, 628400640), (4, 471300480), (5, 377040384), (6, 314200320), (7, 269314560), (8, 235650240), (9, 209466880), (10, 188520192), (12, 157100160), (14, 134657280), (15, 125680128), (16, 117825120), (18, 104733440), (20, 94260096), (21, 89771520), (24, 78550080), (28, 67328640), (30, 62840064), (32, 58912560), (35, 53862912), (36, 52366720), (40, 47130048), (42, 44885760), (45, 41893376), (48, 39275040), (56, 33664320), (60, 31420032), (63, 29923840), (64, 29456280), (70, 26931456), (72, 26183360), (80, 23565024), (84, 22442880), (90, 20946688), (96, 19637520), (105, 17954304), (112, 16832160), (120, 15710016), (126, 14961920), (128, 14728140), (140, 13465728), (144, 13091680), (160, 11782512), (168, 11221440), (180, 10473344), (192, 9818760), (210, 8977152), (224, 8416080), (240, 7855008), (252, 7480960), (256, 7364070), (280, 6732864), (288, 6545840), (315, 5984768), (320, 5891256), (336, 5610720), (360, 5236672), (384, 4909380), (420, 4488576), (448, 4208040), (480, 3927504), (504, 3740480), (512, 3682035), (560, 3366432), (576, 3272920), (630, 2992384), (640, 2945628), (672, 2805360), (720, 2618336), (768, 2454690), (840, 2244288), (896, 2104020), (960, 1963752), (1008, 1870240), (1120, 1683216), (1152, 1636460), (1260, 1496192), (1280, 1472814), (1344, 1402680), (1440, 1309168), (1536, 1227345), (1680, 1122144), (1792, 1052010), (1920, 981876), (2016, 935120), (2240, 841608), (2304, 818230), (2520, 748096), (2560, 736407), (2688, 701340), (2880, 654584), (3360, 561072), (3584, 526005), (3840, 490938), (4032, 467560), (4480, 420804), (4608, 409115), (5040, 374048), (5376, 350670), (5760, 327292), (6720, 280536), (7680, 245469), (8064, 233780), (8960, 210402), (10080, 187024), (10752, 175335), (11520, 163646), (11689, 161280), (13440, 140268), (16128, 116890), (17920, 105201), (20160, 93512), (23040, 81823), (23378, 80640), (26880, 70134), (32256, 58445), (35067, 53760), (40320, 46756)]