30521680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{54503}}^1$

素因数の和:54523

約数の個数: 40

約数和(自身を含む): 81101952

約数和(自身を除く): 50580272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 54503, 109006, 218012, 272515, 381521, 436024, 545030, 763042, 872048, 1090060, 1526084, 1907605, 2180120, 3052168, 3815210, 4360240, 6104336, 7630420, 15260840, 30521680]

約数ペア:

[(1, 30521680), (2, 15260840), (4, 7630420), (5, 6104336), (7, 4360240), (8, 3815210), (10, 3052168), (14, 2180120), (16, 1907605), (20, 1526084), (28, 1090060), (35, 872048), (40, 763042), (56, 545030), (70, 436024), (80, 381521), (112, 272515), (140, 218012), (280, 109006), (560, 54503)]