30720752

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:537

約数の個数: 40

約数和(自身を含む): 61936512

約数和(自身を除く): 31215760

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 241, 248, 257, 482, 496, 514, 964, 1028, 1928, 2056, 3856, 4112, 7471, 7967, 14942, 15934, 29884, 31868, 59768, 61937, 63736, 119536, 123874, 127472, 247748, 495496, 990992, 1920047, 3840094, 7680188, 15360376, 30720752]

約数ペア:

[(1, 30720752), (2, 15360376), (4, 7680188), (8, 3840094), (16, 1920047), (31, 990992), (62, 495496), (124, 247748), (241, 127472), (248, 123874), (257, 119536), (482, 63736), (496, 61937), (514, 59768), (964, 31868), (1028, 29884), (1928, 15934), (2056, 14942), (3856, 7967), (4112, 7471)]