30123440

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1951}}^1$

素因数の和:2157

約数の個数: 40

約数和(自身を含む): 70435968

約数和(自身を除く): 40312528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 1951, 3088, 3860, 3902, 7720, 7804, 9755, 15440, 15608, 19510, 31216, 39020, 78040, 156080, 376543, 753086, 1506172, 1882715, 3012344, 3765430, 6024688, 7530860, 15061720, 30123440]

約数ペア:

[(1, 30123440), (2, 15061720), (4, 7530860), (5, 6024688), (8, 3765430), (10, 3012344), (16, 1882715), (20, 1506172), (40, 753086), (80, 376543), (193, 156080), (386, 78040), (772, 39020), (965, 31216), (1544, 19510), (1930, 15608), (1951, 15440), (3088, 9755), (3860, 7804), (3902, 7720)]