30555280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{54563}}^1$

素因数の和:54583

約数の個数: 40

約数和(自身を含む): 81191232

約数和(自身を除く): 50635952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 54563, 109126, 218252, 272815, 381941, 436504, 545630, 763882, 873008, 1091260, 1527764, 1909705, 2182520, 3055528, 3819410, 4365040, 6111056, 7638820, 15277640, 30555280]

約数ペア:

[(1, 30555280), (2, 15277640), (4, 7638820), (5, 6111056), (7, 4365040), (8, 3819410), (10, 3055528), (14, 2182520), (16, 1909705), (20, 1527764), (28, 1091260), (35, 873008), (40, 763882), (56, 545630), (70, 436504), (80, 381941), (112, 272815), (140, 218252), (280, 109126), (560, 54563)]