263281920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:329

約数の個数: 288

約数和(自身を含む): 960712704

約数和(自身を除く): 697430784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 32, 33, 40, 44, 46, 48, 55, 60, 64, 66, 69, 80, 88, 92, 96, 110, 115, 120, 128, 132, 138, 160, 165, 176, 184, 192, 220, 230, 240, 253, 256, 264, 271, 276, 320, 330, 345, 352, 368, 384, 440, 460, 480, 506, 528, 542, 552, 640, 660, 690, 704, 736, 759, 768, 813, 880, 920, 960, 1012, 1056, 1084, 1104, 1265, 1280, 1320, 1355, 1380, 1408, 1472, 1518, 1626, 1760, 1840, 1920, 2024, 2112, 2168, 2208, 2530, 2640, 2710, 2760, 2816, 2944, 2981, 3036, 3252, 3520, 3680, 3795, 3840, 4048, 4065, 4224, 4336, 4416, 5060, 5280, 5420, 5520, 5888, 5962, 6072, 6233, 6504, 7040, 7360, 7590, 8096, 8130, 8448, 8672, 8832, 8943, 10120, 10560, 10840, 11040, 11924, 12144, 12466, 13008, 14080, 14720, 14905, 15180, 16192, 16260, 17344, 17664, 17886, 18699, 20240, 21120, 21680, 22080, 23848, 24288, 24932, 26016, 29440, 29810, 30360, 31165, 32384, 32520, 34688, 35772, 37398, 40480, 42240, 43360, 44160, 44715, 47696, 48576, 49864, 52032, 59620, 60720, 62330, 64768, 65040, 68563, 69376, 71544, 74796, 80960, 86720, 88320, 89430, 93495, 95392, 97152, 99728, 104064, 119240, 121440, 124660, 130080, 137126, 143088, 149592, 161920, 173440, 178860, 186990, 190784, 194304, 199456, 205689, 208128, 238480, 242880, 249320, 260160, 274252, 286176, 299184, 323840, 342815, 346880, 357720, 373980, 381568, 398912, 411378, 476960, 485760, 498640, 520320, 548504, 572352, 598368, 685630, 715440, 747960, 763136, 797824, 822756, 953920, 971520, 997280, 1028445, 1040640, 1097008, 1144704, 1196736, 1371260, 1430880, 1495920, 1595648, 1645512, 1907840, 1994560, 2056890, 2194016, 2289408, 2393472, 2742520, 2861760, 2991840, 3291024, 3815680, 3989120, 4113780, 4388032, 4786944, 5485040, 5723520, 5983680, 6582048, 7978240, 8227560, 8776064, 10970080, 11447040, 11967360, 13164096, 16455120, 17552128, 21940160, 23934720, 26328192, 32910240, 43880320, 52656384, 65820480, 87760640, 131640960, 263281920]

約数ペア:

[(1, 263281920), (2, 131640960), (3, 87760640), (4, 65820480), (5, 52656384), (6, 43880320), (8, 32910240), (10, 26328192), (11, 23934720), (12, 21940160), (15, 17552128), (16, 16455120), (20, 13164096), (22, 11967360), (23, 11447040), (24, 10970080), (30, 8776064), (32, 8227560), (33, 7978240), (40, 6582048), (44, 5983680), (46, 5723520), (48, 5485040), (55, 4786944), (60, 4388032), (64, 4113780), (66, 3989120), (69, 3815680), (80, 3291024), (88, 2991840), (92, 2861760), (96, 2742520), (110, 2393472), (115, 2289408), (120, 2194016), (128, 2056890), (132, 1994560), (138, 1907840), (160, 1645512), (165, 1595648), (176, 1495920), (184, 1430880), (192, 1371260), (220, 1196736), (230, 1144704), (240, 1097008), (253, 1040640), (256, 1028445), (264, 997280), (271, 971520), (276, 953920), (320, 822756), (330, 797824), (345, 763136), (352, 747960), (368, 715440), (384, 685630), (440, 598368), (460, 572352), (480, 548504), (506, 520320), (528, 498640), (542, 485760), (552, 476960), (640, 411378), (660, 398912), (690, 381568), (704, 373980), (736, 357720), (759, 346880), (768, 342815), (813, 323840), (880, 299184), (920, 286176), (960, 274252), (1012, 260160), (1056, 249320), (1084, 242880), (1104, 238480), (1265, 208128), (1280, 205689), (1320, 199456), (1355, 194304), (1380, 190784), (1408, 186990), (1472, 178860), (1518, 173440), (1626, 161920), (1760, 149592), (1840, 143088), (1920, 137126), (2024, 130080), (2112, 124660), (2168, 121440), (2208, 119240), (2530, 104064), (2640, 99728), (2710, 97152), (2760, 95392), (2816, 93495), (2944, 89430), (2981, 88320), (3036, 86720), (3252, 80960), (3520, 74796), (3680, 71544), (3795, 69376), (3840, 68563), (4048, 65040), (4065, 64768), (4224, 62330), (4336, 60720), (4416, 59620), (5060, 52032), (5280, 49864), (5420, 48576), (5520, 47696), (5888, 44715), (5962, 44160), (6072, 43360), (6233, 42240), (6504, 40480), (7040, 37398), (7360, 35772), (7590, 34688), (8096, 32520), (8130, 32384), (8448, 31165), (8672, 30360), (8832, 29810), (8943, 29440), (10120, 26016), (10560, 24932), (10840, 24288), (11040, 23848), (11924, 22080), (12144, 21680), (12466, 21120), (13008, 20240), (14080, 18699), (14720, 17886), (14905, 17664), (15180, 17344), (16192, 16260)]