260144640

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{1613}}^1$

素因数の和:1649

約数の個数: 240

約数和(自身を含む): 1030300128

約数和(自身を除く): 770155488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1613, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3226, 3360, 3584, 3840, 4032, 4480, 4608, 4839, 5040, 5376, 5760, 6452, 6720, 7680, 8064, 8065, 8960, 9678, 10080, 10752, 11291, 11520, 12904, 13440, 14517, 16128, 16130, 17920, 19356, 20160, 22582, 23040, 24195, 25808, 26880, 29034, 32256, 32260, 33873, 38712, 40320, 45164, 48390, 51616, 53760, 56455, 58068, 64520, 67746, 72585, 77424, 80640, 90328, 96780, 101619, 103232, 112910, 116136, 129040, 135492, 145170, 154848, 161280, 169365, 180656, 193560, 203238, 206464, 225820, 232272, 258080, 270984, 290340, 309696, 338730, 361312, 387120, 406476, 412928, 451640, 464544, 508095, 516160, 541968, 580680, 619392, 677460, 722624, 774240, 812952, 825856, 903280, 929088, 1016190, 1032320, 1083936, 1161360, 1238784, 1354920, 1445248, 1548480, 1625904, 1806560, 1858176, 2032380, 2064640, 2167872, 2322720, 2477568, 2709840, 2890496, 3096960, 3251808, 3613120, 3716352, 4064760, 4129280, 4335744, 4645440, 5419680, 5780992, 6193920, 6503616, 7226240, 7432704, 8129520, 8671488, 9290880, 10839360, 12387840, 13007232, 14452480, 16259040, 17342976, 18581760, 21678720, 26014464, 28904960, 32518080, 37163520, 43357440, 52028928, 65036160, 86714880, 130072320, 260144640]

約数ペア:

[(1, 260144640), (2, 130072320), (3, 86714880), (4, 65036160), (5, 52028928), (6, 43357440), (7, 37163520), (8, 32518080), (9, 28904960), (10, 26014464), (12, 21678720), (14, 18581760), (15, 17342976), (16, 16259040), (18, 14452480), (20, 13007232), (21, 12387840), (24, 10839360), (28, 9290880), (30, 8671488), (32, 8129520), (35, 7432704), (36, 7226240), (40, 6503616), (42, 6193920), (45, 5780992), (48, 5419680), (56, 4645440), (60, 4335744), (63, 4129280), (64, 4064760), (70, 3716352), (72, 3613120), (80, 3251808), (84, 3096960), (90, 2890496), (96, 2709840), (105, 2477568), (112, 2322720), (120, 2167872), (126, 2064640), (128, 2032380), (140, 1858176), (144, 1806560), (160, 1625904), (168, 1548480), (180, 1445248), (192, 1354920), (210, 1238784), (224, 1161360), (240, 1083936), (252, 1032320), (256, 1016190), (280, 929088), (288, 903280), (315, 825856), (320, 812952), (336, 774240), (360, 722624), (384, 677460), (420, 619392), (448, 580680), (480, 541968), (504, 516160), (512, 508095), (560, 464544), (576, 451640), (630, 412928), (640, 406476), (672, 387120), (720, 361312), (768, 338730), (840, 309696), (896, 290340), (960, 270984), (1008, 258080), (1120, 232272), (1152, 225820), (1260, 206464), (1280, 203238), (1344, 193560), (1440, 180656), (1536, 169365), (1613, 161280), (1680, 154848), (1792, 145170), (1920, 135492), (2016, 129040), (2240, 116136), (2304, 112910), (2520, 103232), (2560, 101619), (2688, 96780), (2880, 90328), (3226, 80640), (3360, 77424), (3584, 72585), (3840, 67746), (4032, 64520), (4480, 58068), (4608, 56455), (4839, 53760), (5040, 51616), (5376, 48390), (5760, 45164), (6452, 40320), (6720, 38712), (7680, 33873), (8064, 32260), (8065, 32256), (8960, 29034), (9678, 26880), (10080, 25808), (10752, 24195), (11291, 23040), (11520, 22582), (12904, 20160), (13440, 19356), (14517, 17920), (16128, 16130)]