251448960

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:435

約数の個数: 256

約数和(自身を含む): 935919360

約数和(自身を除く): 684470400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 53, 56, 60, 64, 70, 80, 84, 96, 105, 106, 112, 120, 128, 140, 159, 160, 168, 192, 210, 212, 224, 240, 265, 280, 318, 320, 336, 353, 371, 384, 420, 424, 448, 480, 530, 560, 636, 640, 672, 706, 742, 795, 840, 848, 896, 960, 1059, 1060, 1113, 1120, 1272, 1344, 1412, 1484, 1590, 1680, 1696, 1765, 1855, 1920, 2118, 2120, 2226, 2240, 2471, 2544, 2688, 2824, 2968, 3180, 3360, 3392, 3530, 3710, 4236, 4240, 4452, 4480, 4942, 5088, 5295, 5565, 5648, 5936, 6360, 6720, 6784, 7060, 7413, 7420, 8472, 8480, 8904, 9884, 10176, 10590, 11130, 11296, 11872, 12355, 12720, 13440, 14120, 14826, 14840, 16944, 16960, 17808, 18709, 19768, 20352, 21180, 22260, 22592, 23744, 24710, 25440, 28240, 29652, 29680, 33888, 33920, 35616, 37065, 37418, 39536, 42360, 44520, 45184, 47488, 49420, 50880, 56127, 56480, 59304, 59360, 67776, 71232, 74130, 74836, 79072, 84720, 89040, 93545, 98840, 101760, 112254, 112960, 118608, 118720, 130963, 135552, 142464, 148260, 149672, 158144, 169440, 178080, 187090, 197680, 224508, 225920, 237216, 237440, 261926, 280635, 296520, 299344, 316288, 338880, 356160, 374180, 392889, 395360, 449016, 474432, 523852, 561270, 593040, 598688, 654815, 677760, 712320, 748360, 785778, 790720, 898032, 948864, 1047704, 1122540, 1186080, 1197376, 1309630, 1496720, 1571556, 1581440, 1796064, 1964445, 2095408, 2245080, 2372160, 2394752, 2619260, 2993440, 3143112, 3592128, 3928890, 4190816, 4490160, 4744320, 5238520, 5986880, 6286224, 7184256, 7857780, 8381632, 8980320, 10477040, 11973760, 12572448, 15715560, 16763264, 17960640, 20954080, 25144896, 31431120, 35921280, 41908160, 50289792, 62862240, 83816320, 125724480, 251448960]

約数ペア:

[(1, 251448960), (2, 125724480), (3, 83816320), (4, 62862240), (5, 50289792), (6, 41908160), (7, 35921280), (8, 31431120), (10, 25144896), (12, 20954080), (14, 17960640), (15, 16763264), (16, 15715560), (20, 12572448), (21, 11973760), (24, 10477040), (28, 8980320), (30, 8381632), (32, 7857780), (35, 7184256), (40, 6286224), (42, 5986880), (48, 5238520), (53, 4744320), (56, 4490160), (60, 4190816), (64, 3928890), (70, 3592128), (80, 3143112), (84, 2993440), (96, 2619260), (105, 2394752), (106, 2372160), (112, 2245080), (120, 2095408), (128, 1964445), (140, 1796064), (159, 1581440), (160, 1571556), (168, 1496720), (192, 1309630), (210, 1197376), (212, 1186080), (224, 1122540), (240, 1047704), (265, 948864), (280, 898032), (318, 790720), (320, 785778), (336, 748360), (353, 712320), (371, 677760), (384, 654815), (420, 598688), (424, 593040), (448, 561270), (480, 523852), (530, 474432), (560, 449016), (636, 395360), (640, 392889), (672, 374180), (706, 356160), (742, 338880), (795, 316288), (840, 299344), (848, 296520), (896, 280635), (960, 261926), (1059, 237440), (1060, 237216), (1113, 225920), (1120, 224508), (1272, 197680), (1344, 187090), (1412, 178080), (1484, 169440), (1590, 158144), (1680, 149672), (1696, 148260), (1765, 142464), (1855, 135552), (1920, 130963), (2118, 118720), (2120, 118608), (2226, 112960), (2240, 112254), (2471, 101760), (2544, 98840), (2688, 93545), (2824, 89040), (2968, 84720), (3180, 79072), (3360, 74836), (3392, 74130), (3530, 71232), (3710, 67776), (4236, 59360), (4240, 59304), (4452, 56480), (4480, 56127), (4942, 50880), (5088, 49420), (5295, 47488), (5565, 45184), (5648, 44520), (5936, 42360), (6360, 39536), (6720, 37418), (6784, 37065), (7060, 35616), (7413, 33920), (7420, 33888), (8472, 29680), (8480, 29652), (8904, 28240), (9884, 25440), (10176, 24710), (10590, 23744), (11130, 22592), (11296, 22260), (11872, 21180), (12355, 20352), (12720, 19768), (13440, 18709), (14120, 17808), (14826, 16960), (14840, 16944)]