15399440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 41461632

約数和(自身を除く): 26062192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 214, 257, 280, 428, 514, 535, 560, 749, 856, 1028, 1070, 1285, 1498, 1712, 1799, 2056, 2140, 2570, 2996, 3598, 3745, 4112, 4280, 5140, 5992, 7196, 7490, 8560, 8995, 10280, 11984, 14392, 14980, 17990, 20560, 27499, 28784, 29960, 35980, 54998, 59920, 71960, 109996, 137495, 143920, 192493, 219992, 274990, 384986, 439984, 549980, 769972, 962465, 1099960, 1539944, 1924930, 2199920, 3079888, 3849860, 7699720, 15399440]

約数ペア:

[(1, 15399440), (2, 7699720), (4, 3849860), (5, 3079888), (7, 2199920), (8, 1924930), (10, 1539944), (14, 1099960), (16, 962465), (20, 769972), (28, 549980), (35, 439984), (40, 384986), (56, 274990), (70, 219992), (80, 192493), (107, 143920), (112, 137495), (140, 109996), (214, 71960), (257, 59920), (280, 54998), (428, 35980), (514, 29960), (535, 28784), (560, 27499), (749, 20560), (856, 17990), (1028, 14980), (1070, 14392), (1285, 11984), (1498, 10280), (1712, 8995), (1799, 8560), (2056, 7490), (2140, 7196), (2570, 5992), (2996, 5140), (3598, 4280), (3745, 4112)]