30871520

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8389}}^1$

素因数の和:8427

約数の個数: 48

約数和(自身を含む): 76114080

約数和(自身を除く): 45242560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 8389, 16778, 33556, 41945, 67112, 83890, 134224, 167780, 192947, 268448, 335560, 385894, 671120, 771788, 964735, 1342240, 1543576, 1929470, 3087152, 3858940, 6174304, 7717880, 15435760, 30871520]

約数ペア:

[(1, 30871520), (2, 15435760), (4, 7717880), (5, 6174304), (8, 3858940), (10, 3087152), (16, 1929470), (20, 1543576), (23, 1342240), (32, 964735), (40, 771788), (46, 671120), (80, 385894), (92, 335560), (115, 268448), (160, 192947), (184, 167780), (230, 134224), (368, 83890), (460, 67112), (736, 41945), (920, 33556), (1840, 16778), (3680, 8389)]