31374560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:388

約数の個数: 96

約数和(自身を含む): 85821120

約数和(自身を除く): 54446560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 109, 112, 140, 160, 218, 224, 257, 280, 436, 514, 545, 560, 763, 872, 1028, 1090, 1120, 1285, 1526, 1744, 1799, 2056, 2180, 2570, 3052, 3488, 3598, 3815, 4112, 4360, 5140, 6104, 7196, 7630, 8224, 8720, 8995, 10280, 12208, 14392, 15260, 17440, 17990, 20560, 24416, 28013, 28784, 30520, 35980, 41120, 56026, 57568, 61040, 71960, 112052, 122080, 140065, 143920, 196091, 224104, 280130, 287840, 392182, 448208, 560260, 784364, 896416, 980455, 1120520, 1568728, 1960910, 2241040, 3137456, 3921820, 4482080, 6274912, 7843640, 15687280, 31374560]

約数ペア:

[(1, 31374560), (2, 15687280), (4, 7843640), (5, 6274912), (7, 4482080), (8, 3921820), (10, 3137456), (14, 2241040), (16, 1960910), (20, 1568728), (28, 1120520), (32, 980455), (35, 896416), (40, 784364), (56, 560260), (70, 448208), (80, 392182), (109, 287840), (112, 280130), (140, 224104), (160, 196091), (218, 143920), (224, 140065), (257, 122080), (280, 112052), (436, 71960), (514, 61040), (545, 57568), (560, 56026), (763, 41120), (872, 35980), (1028, 30520), (1090, 28784), (1120, 28013), (1285, 24416), (1526, 20560), (1744, 17990), (1799, 17440), (2056, 15260), (2180, 14392), (2570, 12208), (3052, 10280), (3488, 8995), (3598, 8720), (3815, 8224), (4112, 7630), (4360, 7196), (5140, 6104)]