140577280

素因数分解:

$2^9\times 5^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:729

約数の個数: 80

約数和(自身を含む): 341395560

約数和(自身を除く): 200818280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 356, 445, 512, 617, 640, 712, 890, 1234, 1280, 1424, 1780, 2468, 2560, 2848, 3085, 3560, 4936, 5696, 6170, 7120, 9872, 11392, 12340, 14240, 19744, 22784, 24680, 28480, 39488, 45568, 49360, 54913, 56960, 78976, 98720, 109826, 113920, 157952, 197440, 219652, 227840, 274565, 315904, 394880, 439304, 549130, 789760, 878608, 1098260, 1579520, 1757216, 2196520, 3514432, 4393040, 7028864, 8786080, 14057728, 17572160, 28115456, 35144320, 70288640, 140577280]

約数ペア:

[(1, 140577280), (2, 70288640), (4, 35144320), (5, 28115456), (8, 17572160), (10, 14057728), (16, 8786080), (20, 7028864), (32, 4393040), (40, 3514432), (64, 2196520), (80, 1757216), (89, 1579520), (128, 1098260), (160, 878608), (178, 789760), (256, 549130), (320, 439304), (356, 394880), (445, 315904), (512, 274565), (617, 227840), (640, 219652), (712, 197440), (890, 157952), (1234, 113920), (1280, 109826), (1424, 98720), (1780, 78976), (2468, 56960), (2560, 54913), (2848, 49360), (3085, 45568), (3560, 39488), (4936, 28480), (5696, 24680), (6170, 22784), (7120, 19744), (9872, 14240), (11392, 12340)]