256150080

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1289}}^1$

素因数の和:1338

約数の個数: 224

約数和(自身を含む): 943660800

約数和(自身を除く): 687510720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 180, 184, 192, 207, 216, 230, 240, 270, 276, 288, 320, 345, 360, 368, 414, 432, 460, 480, 540, 552, 576, 621, 690, 720, 736, 828, 864, 920, 960, 1035, 1080, 1104, 1242, 1289, 1380, 1440, 1472, 1656, 1728, 1840, 2070, 2160, 2208, 2484, 2578, 2760, 2880, 3105, 3312, 3680, 3867, 4140, 4320, 4416, 4968, 5156, 5520, 6210, 6445, 6624, 7360, 7734, 8280, 8640, 9936, 10312, 11040, 11601, 12420, 12890, 13248, 15468, 16560, 19335, 19872, 20624, 22080, 23202, 24840, 25780, 29647, 30936, 33120, 34803, 38670, 39744, 41248, 46404, 49680, 51560, 58005, 59294, 61872, 66240, 69606, 77340, 82496, 88941, 92808, 99360, 103120, 116010, 118588, 123744, 139212, 148235, 154680, 174015, 177882, 185616, 198720, 206240, 232020, 237176, 247488, 266823, 278424, 296470, 309360, 348030, 355764, 371232, 412480, 444705, 464040, 474352, 533646, 556848, 592940, 618720, 696060, 711528, 742464, 800469, 889410, 928080, 948704, 1067292, 1113696, 1185880, 1237440, 1334115, 1392120, 1423056, 1600938, 1778820, 1856160, 1897408, 2134584, 2227392, 2371760, 2668230, 2784240, 2846112, 3201876, 3557640, 3712320, 4002345, 4269168, 4743520, 5336460, 5568480, 5692224, 6403752, 7115280, 8004690, 8538336, 9487040, 10672920, 11136960, 12807504, 14230560, 16009380, 17076672, 21345840, 25615008, 28461120, 32018760, 42691680, 51230016, 64037520, 85383360, 128075040, 256150080]

約数ペア:

[(1, 256150080), (2, 128075040), (3, 85383360), (4, 64037520), (5, 51230016), (6, 42691680), (8, 32018760), (9, 28461120), (10, 25615008), (12, 21345840), (15, 17076672), (16, 16009380), (18, 14230560), (20, 12807504), (23, 11136960), (24, 10672920), (27, 9487040), (30, 8538336), (32, 8004690), (36, 7115280), (40, 6403752), (45, 5692224), (46, 5568480), (48, 5336460), (54, 4743520), (60, 4269168), (64, 4002345), (69, 3712320), (72, 3557640), (80, 3201876), (90, 2846112), (92, 2784240), (96, 2668230), (108, 2371760), (115, 2227392), (120, 2134584), (135, 1897408), (138, 1856160), (144, 1778820), (160, 1600938), (180, 1423056), (184, 1392120), (192, 1334115), (207, 1237440), (216, 1185880), (230, 1113696), (240, 1067292), (270, 948704), (276, 928080), (288, 889410), (320, 800469), (345, 742464), (360, 711528), (368, 696060), (414, 618720), (432, 592940), (460, 556848), (480, 533646), (540, 474352), (552, 464040), (576, 444705), (621, 412480), (690, 371232), (720, 355764), (736, 348030), (828, 309360), (864, 296470), (920, 278424), (960, 266823), (1035, 247488), (1080, 237176), (1104, 232020), (1242, 206240), (1289, 198720), (1380, 185616), (1440, 177882), (1472, 174015), (1656, 154680), (1728, 148235), (1840, 139212), (2070, 123744), (2160, 118588), (2208, 116010), (2484, 103120), (2578, 99360), (2760, 92808), (2880, 88941), (3105, 82496), (3312, 77340), (3680, 69606), (3867, 66240), (4140, 61872), (4320, 59294), (4416, 58005), (4968, 51560), (5156, 49680), (5520, 46404), (6210, 41248), (6445, 39744), (6624, 38670), (7360, 34803), (7734, 33120), (8280, 30936), (8640, 29647), (9936, 25780), (10312, 24840), (11040, 23202), (11601, 22080), (12420, 20624), (12890, 19872), (13248, 19335), (15468, 16560)]