1638305280

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:577

約数の個数: 240

約数和(自身を含む): 5717718864

約数和(自身を除く): 4079413584

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 211, 240, 256, 288, 320, 337, 360, 384, 422, 480, 512, 576, 633, 640, 674, 720, 768, 844, 960, 1011, 1055, 1152, 1266, 1280, 1348, 1440, 1536, 1685, 1688, 1899, 1920, 2022, 2110, 2304, 2532, 2560, 2696, 2880, 3033, 3165, 3370, 3376, 3798, 3840, 4044, 4220, 4608, 5055, 5064, 5392, 5760, 6066, 6330, 6740, 6752, 7596, 7680, 8088, 8440, 9495, 10110, 10128, 10784, 11520, 12132, 12660, 13480, 13504, 15165, 15192, 16176, 16880, 18990, 20220, 20256, 21568, 23040, 24264, 25320, 26960, 27008, 30330, 30384, 32352, 33760, 37980, 40440, 40512, 43136, 48528, 50640, 53920, 54016, 60660, 60768, 64704, 67520, 71107, 75960, 80880, 81024, 86272, 97056, 101280, 107840, 108032, 121320, 121536, 129408, 135040, 142214, 151920, 161760, 162048, 172544, 194112, 202560, 213321, 215680, 242640, 243072, 258816, 270080, 284428, 303840, 323520, 324096, 355535, 388224, 405120, 426642, 431360, 485280, 486144, 517632, 540160, 568856, 607680, 639963, 647040, 711070, 776448, 810240, 853284, 862720, 970560, 972288, 1066605, 1137712, 1215360, 1279926, 1294080, 1422140, 1552896, 1620480, 1706568, 1941120, 2133210, 2275424, 2430720, 2559852, 2588160, 2844280, 3199815, 3413136, 3882240, 4266420, 4550848, 4861440, 5119704, 5688560, 6399630, 6826272, 7764480, 8532840, 9101696, 10239408, 11377120, 12799260, 13652544, 17065680, 18203392, 20478816, 22754240, 25598520, 27305088, 34131360, 36406784, 40957632, 45508480, 51197040, 54610176, 68262720, 81915264, 91016960, 102394080, 109220352, 136525440, 163830528, 182033920, 204788160, 273050880, 327661056, 409576320, 546101760, 819152640, 1638305280]

約数ペア:

[(1, 1638305280), (2, 819152640), (3, 546101760), (4, 409576320), (5, 327661056), (6, 273050880), (8, 204788160), (9, 182033920), (10, 163830528), (12, 136525440), (15, 109220352), (16, 102394080), (18, 91016960), (20, 81915264), (24, 68262720), (30, 54610176), (32, 51197040), (36, 45508480), (40, 40957632), (45, 36406784), (48, 34131360), (60, 27305088), (64, 25598520), (72, 22754240), (80, 20478816), (90, 18203392), (96, 17065680), (120, 13652544), (128, 12799260), (144, 11377120), (160, 10239408), (180, 9101696), (192, 8532840), (211, 7764480), (240, 6826272), (256, 6399630), (288, 5688560), (320, 5119704), (337, 4861440), (360, 4550848), (384, 4266420), (422, 3882240), (480, 3413136), (512, 3199815), (576, 2844280), (633, 2588160), (640, 2559852), (674, 2430720), (720, 2275424), (768, 2133210), (844, 1941120), (960, 1706568), (1011, 1620480), (1055, 1552896), (1152, 1422140), (1266, 1294080), (1280, 1279926), (1348, 1215360), (1440, 1137712), (1536, 1066605), (1685, 972288), (1688, 970560), (1899, 862720), (1920, 853284), (2022, 810240), (2110, 776448), (2304, 711070), (2532, 647040), (2560, 639963), (2696, 607680), (2880, 568856), (3033, 540160), (3165, 517632), (3370, 486144), (3376, 485280), (3798, 431360), (3840, 426642), (4044, 405120), (4220, 388224), (4608, 355535), (5055, 324096), (5064, 323520), (5392, 303840), (5760, 284428), (6066, 270080), (6330, 258816), (6740, 243072), (6752, 242640), (7596, 215680), (7680, 213321), (8088, 202560), (8440, 194112), (9495, 172544), (10110, 162048), (10128, 161760), (10784, 151920), (11520, 142214), (12132, 135040), (12660, 129408), (13480, 121536), (13504, 121320), (15165, 108032), (15192, 107840), (16176, 101280), (16880, 97056), (18990, 86272), (20220, 81024), (20256, 80880), (21568, 75960), (23040, 71107), (24264, 67520), (25320, 64704), (26960, 60768), (27008, 60660), (30330, 54016), (30384, 53920), (32352, 50640), (33760, 48528), (37980, 43136), (40440, 40512)]