61669720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{857}}^1$

素因数の和:1132

約数の個数: 64

約数和(自身を含む): 159382080

約数和(自身を除く): 97712360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 257, 280, 514, 857, 1028, 1285, 1714, 1799, 2056, 2570, 3428, 3598, 4285, 5140, 5999, 6856, 7196, 8570, 8995, 10280, 11998, 14392, 17140, 17990, 23996, 29995, 34280, 35980, 47992, 59990, 71960, 119980, 220249, 239960, 440498, 880996, 1101245, 1541743, 1761992, 2202490, 3083486, 4404980, 6166972, 7708715, 8809960, 12333944, 15417430, 30834860, 61669720]

約数ペア:

[(1, 61669720), (2, 30834860), (4, 15417430), (5, 12333944), (7, 8809960), (8, 7708715), (10, 6166972), (14, 4404980), (20, 3083486), (28, 2202490), (35, 1761992), (40, 1541743), (56, 1101245), (70, 880996), (140, 440498), (257, 239960), (280, 220249), (514, 119980), (857, 71960), (1028, 59990), (1285, 47992), (1714, 35980), (1799, 34280), (2056, 29995), (2570, 23996), (3428, 17990), (3598, 17140), (4285, 14392), (5140, 11998), (5999, 10280), (6856, 8995), (7196, 8570)]