61771440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257381}}^1$

素因数の和:257397

約数の個数: 40

約数和(自身を含む): 191492208

約数和(自身を除く): 129720768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257381, 514762, 772143, 1029524, 1286905, 1544286, 2059048, 2573810, 3088572, 3860715, 4118096, 5147620, 6177144, 7721430, 10295240, 12354288, 15442860, 20590480, 30885720, 61771440]

約数ペア:

[(1, 61771440), (2, 30885720), (3, 20590480), (4, 15442860), (5, 12354288), (6, 10295240), (8, 7721430), (10, 6177144), (12, 5147620), (15, 4118096), (16, 3860715), (20, 3088572), (24, 2573810), (30, 2059048), (40, 1544286), (48, 1286905), (60, 1029524), (80, 772143), (120, 514762), (240, 257381)]