639152640

素因数分解:

$2^9\times 3^3\times 5^1\times 7^1\times {\mathrm{1321}}^1$

素因数の和:1360

約数の個数: 320

約数和(自身を含む): 2596619520

約数和(自身を除く): 1957466880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 512, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1280, 1321, 1344, 1440, 1512, 1536, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2304, 2520, 2560, 2642, 2688, 2880, 3024, 3360, 3456, 3584, 3780, 3840, 3963, 4032, 4320, 4480, 4608, 5040, 5284, 5376, 5760, 6048, 6605, 6720, 6912, 7560, 7680, 7926, 8064, 8640, 8960, 9247, 10080, 10568, 10752, 11520, 11889, 12096, 13210, 13440, 13824, 15120, 15852, 16128, 17280, 17920, 18494, 19815, 20160, 21136, 23040, 23778, 24192, 26420, 26880, 27741, 30240, 31704, 32256, 34560, 35667, 36988, 39630, 40320, 42272, 46235, 47556, 48384, 52840, 53760, 55482, 59445, 60480, 63408, 69120, 71334, 73976, 79260, 80640, 83223, 84544, 92470, 95112, 96768, 105680, 110964, 118890, 120960, 126816, 138705, 142668, 147952, 158520, 161280, 166446, 169088, 178335, 184940, 190224, 211360, 221928, 237780, 241920, 249669, 253632, 277410, 285336, 295904, 317040, 332892, 338176, 356670, 369880, 380448, 416115, 422720, 443856, 475560, 483840, 499338, 507264, 554820, 570672, 591808, 634080, 665784, 676352, 713340, 739760, 760896, 832230, 845440, 887712, 951120, 998676, 1014528, 1109640, 1141344, 1183616, 1248345, 1268160, 1331568, 1426680, 1479520, 1521792, 1664460, 1690880, 1775424, 1902240, 1997352, 2029056, 2219280, 2282688, 2367232, 2496690, 2536320, 2663136, 2853360, 2959040, 3043584, 3328920, 3381760, 3550848, 3804480, 3994704, 4438560, 4565376, 4734464, 4993380, 5072640, 5326272, 5706720, 5918080, 6087168, 6657840, 7101696, 7608960, 7989408, 8877120, 9130752, 9986760, 10145280, 10652544, 11413440, 11836160, 13315680, 14203392, 15217920, 15978816, 17754240, 18261504, 19973520, 21305088, 22826880, 23672320, 26631360, 30435840, 31957632, 35508480, 39947040, 42610176, 45653760, 53262720, 63915264, 71016960, 79894080, 91307520, 106525440, 127830528, 159788160, 213050880, 319576320, 639152640]

約数ペア:

[(1, 639152640), (2, 319576320), (3, 213050880), (4, 159788160), (5, 127830528), (6, 106525440), (7, 91307520), (8, 79894080), (9, 71016960), (10, 63915264), (12, 53262720), (14, 45653760), (15, 42610176), (16, 39947040), (18, 35508480), (20, 31957632), (21, 30435840), (24, 26631360), (27, 23672320), (28, 22826880), (30, 21305088), (32, 19973520), (35, 18261504), (36, 17754240), (40, 15978816), (42, 15217920), (45, 14203392), (48, 13315680), (54, 11836160), (56, 11413440), (60, 10652544), (63, 10145280), (64, 9986760), (70, 9130752), (72, 8877120), (80, 7989408), (84, 7608960), (90, 7101696), (96, 6657840), (105, 6087168), (108, 5918080), (112, 5706720), (120, 5326272), (126, 5072640), (128, 4993380), (135, 4734464), (140, 4565376), (144, 4438560), (160, 3994704), (168, 3804480), (180, 3550848), (189, 3381760), (192, 3328920), (210, 3043584), (216, 2959040), (224, 2853360), (240, 2663136), (252, 2536320), (256, 2496690), (270, 2367232), (280, 2282688), (288, 2219280), (315, 2029056), (320, 1997352), (336, 1902240), (360, 1775424), (378, 1690880), (384, 1664460), (420, 1521792), (432, 1479520), (448, 1426680), (480, 1331568), (504, 1268160), (512, 1248345), (540, 1183616), (560, 1141344), (576, 1109640), (630, 1014528), (640, 998676), (672, 951120), (720, 887712), (756, 845440), (768, 832230), (840, 760896), (864, 739760), (896, 713340), (945, 676352), (960, 665784), (1008, 634080), (1080, 591808), (1120, 570672), (1152, 554820), (1260, 507264), (1280, 499338), (1321, 483840), (1344, 475560), (1440, 443856), (1512, 422720), (1536, 416115), (1680, 380448), (1728, 369880), (1792, 356670), (1890, 338176), (1920, 332892), (2016, 317040), (2160, 295904), (2240, 285336), (2304, 277410), (2520, 253632), (2560, 249669), (2642, 241920), (2688, 237780), (2880, 221928), (3024, 211360), (3360, 190224), (3456, 184940), (3584, 178335), (3780, 169088), (3840, 166446), (3963, 161280), (4032, 158520), (4320, 147952), (4480, 142668), (4608, 138705), (5040, 126816), (5284, 120960), (5376, 118890), (5760, 110964), (6048, 105680), (6605, 96768), (6720, 95112), (6912, 92470), (7560, 84544), (7680, 83223), (7926, 80640), (8064, 79260), (8640, 73976), (8960, 71334), (9247, 69120), (10080, 63408), (10568, 60480), (10752, 59445), (11520, 55482), (11889, 53760), (12096, 52840), (13210, 48384), (13440, 47556), (13824, 46235), (15120, 42272), (15852, 40320), (16128, 39630), (17280, 36988), (17920, 35667), (18494, 34560), (19815, 32256), (20160, 31704), (21136, 30240), (23040, 27741), (23778, 26880), (24192, 26420)]