1255358720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:357

約数の個数: 288

約数和(自身を含む): 3842850816

約数和(自身を除く): 2587492096

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 47, 55, 56, 64, 70, 77, 80, 88, 94, 110, 112, 128, 140, 154, 160, 176, 188, 220, 224, 235, 256, 271, 280, 308, 320, 329, 352, 376, 385, 440, 448, 470, 517, 542, 560, 616, 640, 658, 704, 752, 770, 880, 896, 940, 1034, 1084, 1120, 1232, 1280, 1316, 1355, 1408, 1504, 1540, 1645, 1760, 1792, 1880, 1897, 2068, 2168, 2240, 2464, 2585, 2632, 2710, 2816, 2981, 3008, 3080, 3290, 3520, 3619, 3760, 3794, 4136, 4336, 4480, 4928, 5170, 5264, 5420, 5962, 6016, 6160, 6580, 7040, 7238, 7520, 7588, 8272, 8672, 8960, 9485, 9856, 10340, 10528, 10840, 11924, 12032, 12320, 12737, 13160, 14080, 14476, 14905, 15040, 15176, 16544, 17344, 18095, 18970, 19712, 20680, 20867, 21056, 21680, 23848, 24640, 25474, 26320, 28952, 29810, 30080, 30352, 33088, 34688, 36190, 37940, 41360, 41734, 42112, 43360, 47696, 49280, 50948, 52640, 57904, 59620, 60160, 60704, 63685, 66176, 69376, 72380, 75880, 82720, 83468, 84224, 86720, 89159, 95392, 98560, 101896, 104335, 105280, 115808, 119240, 121408, 127370, 132352, 140107, 144760, 151760, 165440, 166936, 173440, 178318, 190784, 203792, 208670, 210560, 231616, 238480, 242816, 254740, 280214, 289520, 303520, 330880, 333872, 346880, 356636, 381568, 407584, 417340, 421120, 445795, 463232, 476960, 485632, 509480, 560428, 579040, 607040, 661760, 667744, 700535, 713272, 763136, 815168, 834680, 891590, 926464, 953920, 980749, 1018960, 1120856, 1158080, 1214080, 1335488, 1401070, 1426544, 1630336, 1669360, 1783180, 1907840, 1961498, 2037920, 2241712, 2316160, 2428160, 2670976, 2802140, 2853088, 3260672, 3338720, 3566360, 3815680, 3922996, 4075840, 4483424, 4632320, 4903745, 5341952, 5604280, 5706176, 6677440, 7132720, 7845992, 8151680, 8966848, 9807490, 11208560, 11412352, 13354880, 14265440, 15691984, 16303360, 17933696, 19614980, 22417120, 22824704, 26709760, 28530880, 31383968, 35867392, 39229960, 44834240, 57061760, 62767936, 78459920, 89668480, 114123520, 125535872, 156919840, 179336960, 251071744, 313839680, 627679360, 1255358720]

約数ペア:

[(1, 1255358720), (2, 627679360), (4, 313839680), (5, 251071744), (7, 179336960), (8, 156919840), (10, 125535872), (11, 114123520), (14, 89668480), (16, 78459920), (20, 62767936), (22, 57061760), (28, 44834240), (32, 39229960), (35, 35867392), (40, 31383968), (44, 28530880), (47, 26709760), (55, 22824704), (56, 22417120), (64, 19614980), (70, 17933696), (77, 16303360), (80, 15691984), (88, 14265440), (94, 13354880), (110, 11412352), (112, 11208560), (128, 9807490), (140, 8966848), (154, 8151680), (160, 7845992), (176, 7132720), (188, 6677440), (220, 5706176), (224, 5604280), (235, 5341952), (256, 4903745), (271, 4632320), (280, 4483424), (308, 4075840), (320, 3922996), (329, 3815680), (352, 3566360), (376, 3338720), (385, 3260672), (440, 2853088), (448, 2802140), (470, 2670976), (517, 2428160), (542, 2316160), (560, 2241712), (616, 2037920), (640, 1961498), (658, 1907840), (704, 1783180), (752, 1669360), (770, 1630336), (880, 1426544), (896, 1401070), (940, 1335488), (1034, 1214080), (1084, 1158080), (1120, 1120856), (1232, 1018960), (1280, 980749), (1316, 953920), (1355, 926464), (1408, 891590), (1504, 834680), (1540, 815168), (1645, 763136), (1760, 713272), (1792, 700535), (1880, 667744), (1897, 661760), (2068, 607040), (2168, 579040), (2240, 560428), (2464, 509480), (2585, 485632), (2632, 476960), (2710, 463232), (2816, 445795), (2981, 421120), (3008, 417340), (3080, 407584), (3290, 381568), (3520, 356636), (3619, 346880), (3760, 333872), (3794, 330880), (4136, 303520), (4336, 289520), (4480, 280214), (4928, 254740), (5170, 242816), (5264, 238480), (5420, 231616), (5962, 210560), (6016, 208670), (6160, 203792), (6580, 190784), (7040, 178318), (7238, 173440), (7520, 166936), (7588, 165440), (8272, 151760), (8672, 144760), (8960, 140107), (9485, 132352), (9856, 127370), (10340, 121408), (10528, 119240), (10840, 115808), (11924, 105280), (12032, 104335), (12320, 101896), (12737, 98560), (13160, 95392), (14080, 89159), (14476, 86720), (14905, 84224), (15040, 83468), (15176, 82720), (16544, 75880), (17344, 72380), (18095, 69376), (18970, 66176), (19712, 63685), (20680, 60704), (20867, 60160), (21056, 59620), (21680, 57904), (23848, 52640), (24640, 50948), (25474, 49280), (26320, 47696), (28952, 43360), (29810, 42112), (30080, 41734), (30352, 41360), (33088, 37940), (34688, 36190)]