312596480

素因数分解:

$2^{11}\times 5^1\times 7^3\times {\mathrm{89}}^1$

素因数の和:137

約数の個数: 192

約数和(自身を含む): 884520000

約数和(自身を除く): 571923520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 89, 98, 112, 128, 140, 160, 178, 196, 224, 245, 256, 280, 320, 343, 356, 392, 445, 448, 490, 512, 560, 623, 640, 686, 712, 784, 890, 896, 980, 1024, 1120, 1246, 1280, 1372, 1424, 1568, 1715, 1780, 1792, 1960, 2048, 2240, 2492, 2560, 2744, 2848, 3115, 3136, 3430, 3560, 3584, 3920, 4361, 4480, 4984, 5120, 5488, 5696, 6230, 6272, 6860, 7120, 7168, 7840, 8722, 8960, 9968, 10240, 10976, 11392, 12460, 12544, 13720, 14240, 14336, 15680, 17444, 17920, 19936, 21805, 21952, 22784, 24920, 25088, 27440, 28480, 30527, 31360, 34888, 35840, 39872, 43610, 43904, 45568, 49840, 50176, 54880, 56960, 61054, 62720, 69776, 71680, 79744, 87220, 87808, 91136, 99680, 100352, 109760, 113920, 122108, 125440, 139552, 152635, 159488, 174440, 175616, 182272, 199360, 219520, 227840, 244216, 250880, 279104, 305270, 318976, 348880, 351232, 398720, 439040, 455680, 488432, 501760, 558208, 610540, 637952, 697760, 702464, 797440, 878080, 911360, 976864, 1116416, 1221080, 1275904, 1395520, 1594880, 1756160, 1953728, 2232832, 2442160, 2791040, 3189760, 3512320, 3907456, 4465664, 4884320, 5582080, 6379520, 7814912, 8931328, 9768640, 11164160, 15629824, 19537280, 22328320, 31259648, 39074560, 44656640, 62519296, 78149120, 156298240, 312596480]

約数ペア:

[(1, 312596480), (2, 156298240), (4, 78149120), (5, 62519296), (7, 44656640), (8, 39074560), (10, 31259648), (14, 22328320), (16, 19537280), (20, 15629824), (28, 11164160), (32, 9768640), (35, 8931328), (40, 7814912), (49, 6379520), (56, 5582080), (64, 4884320), (70, 4465664), (80, 3907456), (89, 3512320), (98, 3189760), (112, 2791040), (128, 2442160), (140, 2232832), (160, 1953728), (178, 1756160), (196, 1594880), (224, 1395520), (245, 1275904), (256, 1221080), (280, 1116416), (320, 976864), (343, 911360), (356, 878080), (392, 797440), (445, 702464), (448, 697760), (490, 637952), (512, 610540), (560, 558208), (623, 501760), (640, 488432), (686, 455680), (712, 439040), (784, 398720), (890, 351232), (896, 348880), (980, 318976), (1024, 305270), (1120, 279104), (1246, 250880), (1280, 244216), (1372, 227840), (1424, 219520), (1568, 199360), (1715, 182272), (1780, 175616), (1792, 174440), (1960, 159488), (2048, 152635), (2240, 139552), (2492, 125440), (2560, 122108), (2744, 113920), (2848, 109760), (3115, 100352), (3136, 99680), (3430, 91136), (3560, 87808), (3584, 87220), (3920, 79744), (4361, 71680), (4480, 69776), (4984, 62720), (5120, 61054), (5488, 56960), (5696, 54880), (6230, 50176), (6272, 49840), (6860, 45568), (7120, 43904), (7168, 43610), (7840, 39872), (8722, 35840), (8960, 34888), (9968, 31360), (10240, 30527), (10976, 28480), (11392, 27440), (12460, 25088), (12544, 24920), (13720, 22784), (14240, 21952), (14336, 21805), (15680, 19936), (17444, 17920)]