68380480

素因数分解:

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

素因数の和:134

約数の個数: 140

約数和(自身を含む): 192092580

約数和(自身を除く): 123712100

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, 140, 160, 178, 196, 224, 245, 280, 320, 343, 356, 392, 445, 448, 490, 560, 623, 686, 712, 784, 890, 980, 1120, 1246, 1372, 1424, 1568, 1715, 1780, 1960, 2240, 2401, 2492, 2744, 2848, 3115, 3136, 3430, 3560, 3920, 4361, 4802, 4984, 5488, 5696, 6230, 6860, 7120, 7840, 8722, 9604, 9968, 10976, 12005, 12460, 13720, 14240, 15680, 17444, 19208, 19936, 21805, 21952, 24010, 24920, 27440, 28480, 30527, 34888, 38416, 39872, 43610, 48020, 49840, 54880, 61054, 69776, 76832, 87220, 96040, 99680, 109760, 122108, 139552, 152635, 153664, 174440, 192080, 199360, 213689, 244216, 279104, 305270, 348880, 384160, 427378, 488432, 610540, 697760, 768320, 854756, 976864, 1068445, 1221080, 1395520, 1709512, 1953728, 2136890, 2442160, 3419024, 4273780, 4884320, 6838048, 8547560, 9768640, 13676096, 17095120, 34190240, 68380480]

約数ペア:

[(1, 68380480), (2, 34190240), (4, 17095120), (5, 13676096), (7, 9768640), (8, 8547560), (10, 6838048), (14, 4884320), (16, 4273780), (20, 3419024), (28, 2442160), (32, 2136890), (35, 1953728), (40, 1709512), (49, 1395520), (56, 1221080), (64, 1068445), (70, 976864), (80, 854756), (89, 768320), (98, 697760), (112, 610540), (140, 488432), (160, 427378), (178, 384160), (196, 348880), (224, 305270), (245, 279104), (280, 244216), (320, 213689), (343, 199360), (356, 192080), (392, 174440), (445, 153664), (448, 152635), (490, 139552), (560, 122108), (623, 109760), (686, 99680), (712, 96040), (784, 87220), (890, 76832), (980, 69776), (1120, 61054), (1246, 54880), (1372, 49840), (1424, 48020), (1568, 43610), (1715, 39872), (1780, 38416), (1960, 34888), (2240, 30527), (2401, 28480), (2492, 27440), (2744, 24920), (2848, 24010), (3115, 21952), (3136, 21805), (3430, 19936), (3560, 19208), (3920, 17444), (4361, 15680), (4802, 14240), (4984, 13720), (5488, 12460), (5696, 12005), (6230, 10976), (6860, 9968), (7120, 9604), (7840, 8722)]