256520160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:298

約数の個数: 288

約数和(自身を含む): 960942528

約数和(自身を除く): 704422368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 71, 72, 78, 80, 90, 96, 104, 117, 120, 130, 142, 144, 156, 160, 180, 193, 195, 208, 213, 234, 240, 260, 284, 288, 312, 355, 360, 386, 390, 416, 426, 468, 480, 520, 568, 579, 585, 624, 639, 710, 720, 772, 780, 852, 923, 936, 965, 1040, 1065, 1136, 1158, 1170, 1248, 1278, 1420, 1440, 1544, 1560, 1704, 1737, 1846, 1872, 1930, 2080, 2130, 2272, 2316, 2340, 2509, 2556, 2769, 2840, 2895, 3088, 3120, 3195, 3408, 3474, 3692, 3744, 3860, 4260, 4615, 4632, 4680, 5018, 5112, 5538, 5680, 5790, 6176, 6240, 6390, 6816, 6948, 7384, 7527, 7720, 8307, 8520, 8685, 9230, 9264, 9360, 10036, 10224, 11076, 11360, 11580, 12545, 12780, 13703, 13845, 13896, 14768, 15054, 15440, 16614, 17040, 17370, 18460, 18528, 18720, 20072, 20448, 22152, 22581, 23160, 25090, 25560, 27406, 27690, 27792, 29536, 30108, 30880, 33228, 34080, 34740, 36920, 37635, 40144, 41109, 41535, 44304, 45162, 46320, 50180, 51120, 54812, 55380, 55584, 60216, 66456, 68515, 69480, 73840, 75270, 80288, 82218, 83070, 88608, 90324, 92640, 100360, 102240, 109624, 110760, 112905, 120432, 123327, 132912, 137030, 138960, 147680, 150540, 164436, 166140, 178139, 180648, 200720, 205545, 219248, 221520, 225810, 240864, 246654, 265824, 274060, 277920, 301080, 328872, 332280, 356278, 361296, 401440, 411090, 438496, 443040, 451620, 493308, 534417, 548120, 602160, 616635, 657744, 664560, 712556, 722592, 822180, 890695, 903240, 986616, 1068834, 1096240, 1204320, 1233270, 1315488, 1329120, 1425112, 1603251, 1644360, 1781390, 1806480, 1973232, 2137668, 2192480, 2466540, 2672085, 2850224, 3206502, 3288720, 3562780, 3612960, 3946464, 4275336, 4933080, 5344170, 5700448, 6413004, 6577440, 7125560, 8016255, 8550672, 9866160, 10688340, 12826008, 14251120, 16032510, 17101344, 19732320, 21376680, 25652016, 28502240, 32065020, 42753360, 51304032, 64130040, 85506720, 128260080, 256520160]

約数ペア:

[(1, 256520160), (2, 128260080), (3, 85506720), (4, 64130040), (5, 51304032), (6, 42753360), (8, 32065020), (9, 28502240), (10, 25652016), (12, 21376680), (13, 19732320), (15, 17101344), (16, 16032510), (18, 14251120), (20, 12826008), (24, 10688340), (26, 9866160), (30, 8550672), (32, 8016255), (36, 7125560), (39, 6577440), (40, 6413004), (45, 5700448), (48, 5344170), (52, 4933080), (60, 4275336), (65, 3946464), (71, 3612960), (72, 3562780), (78, 3288720), (80, 3206502), (90, 2850224), (96, 2672085), (104, 2466540), (117, 2192480), (120, 2137668), (130, 1973232), (142, 1806480), (144, 1781390), (156, 1644360), (160, 1603251), (180, 1425112), (193, 1329120), (195, 1315488), (208, 1233270), (213, 1204320), (234, 1096240), (240, 1068834), (260, 986616), (284, 903240), (288, 890695), (312, 822180), (355, 722592), (360, 712556), (386, 664560), (390, 657744), (416, 616635), (426, 602160), (468, 548120), (480, 534417), (520, 493308), (568, 451620), (579, 443040), (585, 438496), (624, 411090), (639, 401440), (710, 361296), (720, 356278), (772, 332280), (780, 328872), (852, 301080), (923, 277920), (936, 274060), (965, 265824), (1040, 246654), (1065, 240864), (1136, 225810), (1158, 221520), (1170, 219248), (1248, 205545), (1278, 200720), (1420, 180648), (1440, 178139), (1544, 166140), (1560, 164436), (1704, 150540), (1737, 147680), (1846, 138960), (1872, 137030), (1930, 132912), (2080, 123327), (2130, 120432), (2272, 112905), (2316, 110760), (2340, 109624), (2509, 102240), (2556, 100360), (2769, 92640), (2840, 90324), (2895, 88608), (3088, 83070), (3120, 82218), (3195, 80288), (3408, 75270), (3474, 73840), (3692, 69480), (3744, 68515), (3860, 66456), (4260, 60216), (4615, 55584), (4632, 55380), (4680, 54812), (5018, 51120), (5112, 50180), (5538, 46320), (5680, 45162), (5790, 44304), (6176, 41535), (6240, 41109), (6390, 40144), (6816, 37635), (6948, 36920), (7384, 34740), (7527, 34080), (7720, 33228), (8307, 30880), (8520, 30108), (8685, 29536), (9230, 27792), (9264, 27690), (9360, 27406), (10036, 25560), (10224, 25090), (11076, 23160), (11360, 22581), (11580, 22152), (12545, 20448), (12780, 20072), (13703, 18720), (13845, 18528), (13896, 18460), (14768, 17370), (15054, 17040), (15440, 16614)]