15451440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{64381}}^1$

素因数の和:64397

約数の個数: 40

約数和(自身を含む): 47900208

約数和(自身を除く): 32448768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 64381, 128762, 193143, 257524, 321905, 386286, 515048, 643810, 772572, 965715, 1030096, 1287620, 1545144, 1931430, 2575240, 3090288, 3862860, 5150480, 7725720, 15451440]

約数ペア:

[(1, 15451440), (2, 7725720), (3, 5150480), (4, 3862860), (5, 3090288), (6, 2575240), (8, 1931430), (10, 1545144), (12, 1287620), (15, 1030096), (16, 965715), (20, 772572), (24, 643810), (30, 515048), (40, 386286), (48, 321905), (60, 257524), (80, 193143), (120, 128762), (240, 64381)]