30915920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{55207}}^1$

素因数の和:55227

約数の個数: 40

約数和(自身を含む): 82149504

約数和(自身を除く): 51233584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 55207, 110414, 220828, 276035, 386449, 441656, 552070, 772898, 883312, 1104140, 1545796, 1932245, 2208280, 3091592, 3864490, 4416560, 6183184, 7728980, 15457960, 30915920]

約数ペア:

[(1, 30915920), (2, 15457960), (4, 7728980), (5, 6183184), (7, 4416560), (8, 3864490), (10, 3091592), (14, 2208280), (16, 1932245), (20, 1545796), (28, 1104140), (35, 883312), (40, 772898), (56, 552070), (70, 441656), (80, 386449), (112, 276035), (140, 220828), (280, 110414), (560, 55207)]