1987787520

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{509}}^1$

素因数の和:652

約数の個数: 288

約数和(自身を含む): 7130289600

約数和(自身を除く): 5142502080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 113, 120, 128, 135, 144, 160, 180, 192, 216, 226, 240, 256, 270, 288, 320, 339, 360, 384, 432, 452, 480, 509, 540, 565, 576, 640, 678, 720, 768, 864, 904, 960, 1017, 1018, 1080, 1130, 1152, 1280, 1356, 1440, 1527, 1695, 1728, 1808, 1920, 2034, 2036, 2160, 2260, 2304, 2545, 2712, 2880, 3051, 3054, 3390, 3456, 3616, 3840, 4068, 4072, 4320, 4520, 4581, 5085, 5090, 5424, 5760, 6102, 6108, 6780, 6912, 7232, 7635, 8136, 8144, 8640, 9040, 9162, 10170, 10180, 10848, 11520, 12204, 12216, 13560, 13743, 14464, 15255, 15270, 16272, 16288, 17280, 18080, 18324, 20340, 20360, 21696, 22905, 24408, 24432, 27120, 27486, 28928, 30510, 30540, 32544, 32576, 34560, 36160, 36648, 40680, 40720, 43392, 45810, 48816, 48864, 54240, 54972, 57517, 61020, 61080, 65088, 65152, 68715, 72320, 73296, 81360, 81440, 86784, 91620, 97632, 97728, 108480, 109944, 115034, 122040, 122160, 130176, 130304, 137430, 144640, 146592, 162720, 162880, 172551, 183240, 195264, 195456, 216960, 219888, 230068, 244080, 244320, 260352, 274860, 287585, 293184, 325440, 325760, 345102, 366480, 390528, 390912, 433920, 439776, 460136, 488160, 488640, 517653, 549720, 575170, 586368, 650880, 651520, 690204, 732960, 781056, 862755, 879552, 920272, 976320, 977280, 1035306, 1099440, 1150340, 1172736, 1301760, 1380408, 1465920, 1552959, 1725510, 1759104, 1840544, 1952640, 1954560, 2070612, 2198880, 2300680, 2588265, 2760816, 2931840, 3105918, 3451020, 3518208, 3681088, 3905280, 4141224, 4397760, 4601360, 5176530, 5521632, 5863680, 6211836, 6902040, 7362176, 7764795, 8282448, 8795520, 9202720, 10353060, 11043264, 12423672, 13804080, 14724352, 15529590, 16564896, 17591040, 18405440, 20706120, 22086528, 24847344, 27608160, 31059180, 33129792, 36810880, 41412240, 44173056, 49694688, 55216320, 62118360, 66259584, 73621760, 82824480, 99389376, 110432640, 124236720, 132519168, 165648960, 198778752, 220865280, 248473440, 331297920, 397557504, 496946880, 662595840, 993893760, 1987787520]

約数ペア:

[(1, 1987787520), (2, 993893760), (3, 662595840), (4, 496946880), (5, 397557504), (6, 331297920), (8, 248473440), (9, 220865280), (10, 198778752), (12, 165648960), (15, 132519168), (16, 124236720), (18, 110432640), (20, 99389376), (24, 82824480), (27, 73621760), (30, 66259584), (32, 62118360), (36, 55216320), (40, 49694688), (45, 44173056), (48, 41412240), (54, 36810880), (60, 33129792), (64, 31059180), (72, 27608160), (80, 24847344), (90, 22086528), (96, 20706120), (108, 18405440), (113, 17591040), (120, 16564896), (128, 15529590), (135, 14724352), (144, 13804080), (160, 12423672), (180, 11043264), (192, 10353060), (216, 9202720), (226, 8795520), (240, 8282448), (256, 7764795), (270, 7362176), (288, 6902040), (320, 6211836), (339, 5863680), (360, 5521632), (384, 5176530), (432, 4601360), (452, 4397760), (480, 4141224), (509, 3905280), (540, 3681088), (565, 3518208), (576, 3451020), (640, 3105918), (678, 2931840), (720, 2760816), (768, 2588265), (864, 2300680), (904, 2198880), (960, 2070612), (1017, 1954560), (1018, 1952640), (1080, 1840544), (1130, 1759104), (1152, 1725510), (1280, 1552959), (1356, 1465920), (1440, 1380408), (1527, 1301760), (1695, 1172736), (1728, 1150340), (1808, 1099440), (1920, 1035306), (2034, 977280), (2036, 976320), (2160, 920272), (2260, 879552), (2304, 862755), (2545, 781056), (2712, 732960), (2880, 690204), (3051, 651520), (3054, 650880), (3390, 586368), (3456, 575170), (3616, 549720), (3840, 517653), (4068, 488640), (4072, 488160), (4320, 460136), (4520, 439776), (4581, 433920), (5085, 390912), (5090, 390528), (5424, 366480), (5760, 345102), (6102, 325760), (6108, 325440), (6780, 293184), (6912, 287585), (7232, 274860), (7635, 260352), (8136, 244320), (8144, 244080), (8640, 230068), (9040, 219888), (9162, 216960), (10170, 195456), (10180, 195264), (10848, 183240), (11520, 172551), (12204, 162880), (12216, 162720), (13560, 146592), (13743, 144640), (14464, 137430), (15255, 130304), (15270, 130176), (16272, 122160), (16288, 122040), (17280, 115034), (18080, 109944), (18324, 108480), (20340, 97728), (20360, 97632), (21696, 91620), (22905, 86784), (24408, 81440), (24432, 81360), (27120, 73296), (27486, 72320), (28928, 68715), (30510, 65152), (30540, 65088), (32544, 61080), (32576, 61020), (34560, 57517), (36160, 54972), (36648, 54240), (40680, 48864), (40720, 48816), (43392, 45810)]