205141440

素因数分解:

$2^6\times 3^1\times 5^1\times 7^4\times {\mathrm{89}}^1$

素因数の和:137

約数の個数: 280

約数和(自身を含む): 768370320

約数和(自身を除く): 563228880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 89, 96, 98, 105, 112, 120, 140, 147, 160, 168, 178, 192, 196, 210, 224, 240, 245, 267, 280, 294, 320, 336, 343, 356, 392, 420, 445, 448, 480, 490, 534, 560, 588, 623, 672, 686, 712, 735, 784, 840, 890, 960, 980, 1029, 1068, 1120, 1176, 1246, 1335, 1344, 1372, 1424, 1470, 1568, 1680, 1715, 1780, 1869, 1960, 2058, 2136, 2240, 2352, 2401, 2492, 2670, 2744, 2848, 2940, 3115, 3136, 3360, 3430, 3560, 3738, 3920, 4116, 4272, 4361, 4704, 4802, 4984, 5145, 5340, 5488, 5696, 5880, 6230, 6720, 6860, 7120, 7203, 7476, 7840, 8232, 8544, 8722, 9345, 9408, 9604, 9968, 10290, 10680, 10976, 11760, 12005, 12460, 13083, 13720, 14240, 14406, 14952, 15680, 16464, 17088, 17444, 18690, 19208, 19936, 20580, 21360, 21805, 21952, 23520, 24010, 24920, 26166, 27440, 28480, 28812, 29904, 30527, 32928, 34888, 36015, 37380, 38416, 39872, 41160, 42720, 43610, 47040, 48020, 49840, 52332, 54880, 57624, 59808, 61054, 65415, 65856, 69776, 72030, 74760, 76832, 82320, 85440, 87220, 91581, 96040, 99680, 104664, 109760, 115248, 119616, 122108, 130830, 139552, 144060, 149520, 152635, 153664, 164640, 174440, 183162, 192080, 199360, 209328, 213689, 230496, 244216, 261660, 279104, 288120, 299040, 305270, 329280, 348880, 366324, 384160, 418656, 427378, 457905, 460992, 488432, 523320, 576240, 598080, 610540, 641067, 697760, 732648, 768320, 837312, 854756, 915810, 976864, 1046640, 1068445, 1152480, 1221080, 1282134, 1395520, 1465296, 1709512, 1831620, 1953728, 2093280, 2136890, 2304960, 2442160, 2564268, 2930592, 3205335, 3419024, 3663240, 4186560, 4273780, 4884320, 5128536, 5861184, 6410670, 6838048, 7326480, 8547560, 9768640, 10257072, 12821340, 13676096, 14652960, 17095120, 20514144, 25642680, 29305920, 34190240, 41028288, 51285360, 68380480, 102570720, 205141440]

約数ペア:

[(1, 205141440), (2, 102570720), (3, 68380480), (4, 51285360), (5, 41028288), (6, 34190240), (7, 29305920), (8, 25642680), (10, 20514144), (12, 17095120), (14, 14652960), (15, 13676096), (16, 12821340), (20, 10257072), (21, 9768640), (24, 8547560), (28, 7326480), (30, 6838048), (32, 6410670), (35, 5861184), (40, 5128536), (42, 4884320), (48, 4273780), (49, 4186560), (56, 3663240), (60, 3419024), (64, 3205335), (70, 2930592), (80, 2564268), (84, 2442160), (89, 2304960), (96, 2136890), (98, 2093280), (105, 1953728), (112, 1831620), (120, 1709512), (140, 1465296), (147, 1395520), (160, 1282134), (168, 1221080), (178, 1152480), (192, 1068445), (196, 1046640), (210, 976864), (224, 915810), (240, 854756), (245, 837312), (267, 768320), (280, 732648), (294, 697760), (320, 641067), (336, 610540), (343, 598080), (356, 576240), (392, 523320), (420, 488432), (445, 460992), (448, 457905), (480, 427378), (490, 418656), (534, 384160), (560, 366324), (588, 348880), (623, 329280), (672, 305270), (686, 299040), (712, 288120), (735, 279104), (784, 261660), (840, 244216), (890, 230496), (960, 213689), (980, 209328), (1029, 199360), (1068, 192080), (1120, 183162), (1176, 174440), (1246, 164640), (1335, 153664), (1344, 152635), (1372, 149520), (1424, 144060), (1470, 139552), (1568, 130830), (1680, 122108), (1715, 119616), (1780, 115248), (1869, 109760), (1960, 104664), (2058, 99680), (2136, 96040), (2240, 91581), (2352, 87220), (2401, 85440), (2492, 82320), (2670, 76832), (2744, 74760), (2848, 72030), (2940, 69776), (3115, 65856), (3136, 65415), (3360, 61054), (3430, 59808), (3560, 57624), (3738, 54880), (3920, 52332), (4116, 49840), (4272, 48020), (4361, 47040), (4704, 43610), (4802, 42720), (4984, 41160), (5145, 39872), (5340, 38416), (5488, 37380), (5696, 36015), (5880, 34888), (6230, 32928), (6720, 30527), (6860, 29904), (7120, 28812), (7203, 28480), (7476, 27440), (7840, 26166), (8232, 24920), (8544, 24010), (8722, 23520), (9345, 21952), (9408, 21805), (9604, 21360), (9968, 20580), (10290, 19936), (10680, 19208), (10976, 18690), (11760, 17444), (12005, 17088), (12460, 16464), (13083, 15680), (13720, 14952), (14240, 14406)]