253787520

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:873

約数の個数: 256

約数和(自身を含む): 965882880

約数和(自身を除く): 712095360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 64, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 128, 138, 140, 160, 161, 168, 184, 192, 210, 224, 230, 240, 276, 280, 320, 322, 336, 345, 368, 384, 420, 448, 460, 480, 483, 552, 560, 640, 644, 672, 690, 736, 805, 821, 840, 896, 920, 960, 966, 1104, 1120, 1288, 1344, 1380, 1472, 1610, 1642, 1680, 1840, 1920, 1932, 2208, 2240, 2415, 2463, 2576, 2688, 2760, 2944, 3220, 3284, 3360, 3680, 3864, 4105, 4416, 4480, 4830, 4926, 5152, 5520, 5747, 6440, 6568, 6720, 7360, 7728, 8210, 8832, 9660, 9852, 10304, 11040, 11494, 12315, 12880, 13136, 13440, 14720, 15456, 16420, 17241, 18883, 19320, 19704, 20608, 22080, 22988, 24630, 25760, 26272, 28735, 30912, 32840, 34482, 37766, 38640, 39408, 44160, 45976, 49260, 51520, 52544, 56649, 57470, 61824, 65680, 68964, 75532, 77280, 78816, 86205, 91952, 94415, 98520, 103040, 105088, 113298, 114940, 131360, 132181, 137928, 151064, 154560, 157632, 172410, 183904, 188830, 197040, 226596, 229880, 262720, 264362, 275856, 283245, 302128, 309120, 315264, 344820, 367808, 377660, 394080, 396543, 453192, 459760, 525440, 528724, 551712, 566490, 604256, 660905, 689640, 735616, 755320, 788160, 793086, 906384, 919520, 1057448, 1103424, 1132980, 1208512, 1321810, 1379280, 1510640, 1576320, 1586172, 1812768, 1839040, 1982715, 2114896, 2206848, 2265960, 2417024, 2643620, 2758560, 3021280, 3172344, 3625536, 3678080, 3965430, 4229792, 4531920, 5287240, 5517120, 6042560, 6344688, 7251072, 7930860, 8459584, 9063840, 10574480, 11034240, 12085120, 12689376, 15861720, 16919168, 18127680, 21148960, 25378752, 31723440, 36255360, 42297920, 50757504, 63446880, 84595840, 126893760, 253787520]

約数ペア:

[(1, 253787520), (2, 126893760), (3, 84595840), (4, 63446880), (5, 50757504), (6, 42297920), (7, 36255360), (8, 31723440), (10, 25378752), (12, 21148960), (14, 18127680), (15, 16919168), (16, 15861720), (20, 12689376), (21, 12085120), (23, 11034240), (24, 10574480), (28, 9063840), (30, 8459584), (32, 7930860), (35, 7251072), (40, 6344688), (42, 6042560), (46, 5517120), (48, 5287240), (56, 4531920), (60, 4229792), (64, 3965430), (69, 3678080), (70, 3625536), (80, 3172344), (84, 3021280), (92, 2758560), (96, 2643620), (105, 2417024), (112, 2265960), (115, 2206848), (120, 2114896), (128, 1982715), (138, 1839040), (140, 1812768), (160, 1586172), (161, 1576320), (168, 1510640), (184, 1379280), (192, 1321810), (210, 1208512), (224, 1132980), (230, 1103424), (240, 1057448), (276, 919520), (280, 906384), (320, 793086), (322, 788160), (336, 755320), (345, 735616), (368, 689640), (384, 660905), (420, 604256), (448, 566490), (460, 551712), (480, 528724), (483, 525440), (552, 459760), (560, 453192), (640, 396543), (644, 394080), (672, 377660), (690, 367808), (736, 344820), (805, 315264), (821, 309120), (840, 302128), (896, 283245), (920, 275856), (960, 264362), (966, 262720), (1104, 229880), (1120, 226596), (1288, 197040), (1344, 188830), (1380, 183904), (1472, 172410), (1610, 157632), (1642, 154560), (1680, 151064), (1840, 137928), (1920, 132181), (1932, 131360), (2208, 114940), (2240, 113298), (2415, 105088), (2463, 103040), (2576, 98520), (2688, 94415), (2760, 91952), (2944, 86205), (3220, 78816), (3284, 77280), (3360, 75532), (3680, 68964), (3864, 65680), (4105, 61824), (4416, 57470), (4480, 56649), (4830, 52544), (4926, 51520), (5152, 49260), (5520, 45976), (5747, 44160), (6440, 39408), (6568, 38640), (6720, 37766), (7360, 34482), (7728, 32840), (8210, 30912), (8832, 28735), (9660, 26272), (9852, 25760), (10304, 24630), (11040, 22988), (11494, 22080), (12315, 20608), (12880, 19704), (13136, 19320), (13440, 18883), (14720, 17241), (15456, 16420)]