78149120

素因数分解:

$2^9\times 5^1\times 7^3\times {\mathrm{89}}^1$

素因数の和:133

約数の個数: 160

約数和(自身を含む): 220968000

約数和(自身を除く): 142818880

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, 1120, 1246, 1280, 1372, 1424, 1568, 1715, 1780, 1792, 1960, 2240, 2492, 2560, 2744, 2848, 3115, 3136, 3430, 3560, 3584, 3920, 4361, 4480, 4984, 5488, 5696, 6230, 6272, 6860, 7120, 7840, 8722, 8960, 9968, 10976, 11392, 12460, 12544, 13720, 14240, 15680, 17444, 17920, 19936, 21805, 21952, 22784, 24920, 25088, 27440, 28480, 30527, 31360, 34888, 39872, 43610, 43904, 45568, 49840, 54880, 56960, 61054, 62720, 69776, 79744, 87220, 87808, 99680, 109760, 113920, 122108, 125440, 139552, 152635, 159488, 174440, 175616, 199360, 219520, 227840, 244216, 279104, 305270, 318976, 348880, 398720, 439040, 488432, 558208, 610540, 697760, 797440, 878080, 976864, 1116416, 1221080, 1395520, 1594880, 1953728, 2232832, 2442160, 2791040, 3907456, 4884320, 5582080, 7814912, 9768640, 11164160, 15629824, 19537280, 39074560, 78149120]

約数ペア:

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