12767440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{3257}}^1$

素因数の和:3284

約数の個数: 60

約数和(自身を含む): 34541316

約数和(自身を除く): 21773876

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3257, 3920, 6514, 13028, 16285, 22799, 26056, 32570, 45598, 52112, 65140, 91196, 113995, 130280, 159593, 182392, 227990, 260560, 319186, 364784, 455980, 638372, 797965, 911960, 1276744, 1595930, 1823920, 2553488, 3191860, 6383720, 12767440]

約数ペア:

[(1, 12767440), (2, 6383720), (4, 3191860), (5, 2553488), (7, 1823920), (8, 1595930), (10, 1276744), (14, 911960), (16, 797965), (20, 638372), (28, 455980), (35, 364784), (40, 319186), (49, 260560), (56, 227990), (70, 182392), (80, 159593), (98, 130280), (112, 113995), (140, 91196), (196, 65140), (245, 52112), (280, 45598), (392, 32570), (490, 26056), (560, 22799), (784, 16285), (980, 13028), (1960, 6514), (3257, 3920)]