81704784

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1009}}^1$

素因数の和:1268

約数の個数: 80

約数和(自身を含む): 242464640

約数和(自身を除く): 160759856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 241, 336, 482, 723, 964, 1009, 1446, 1687, 1928, 2018, 2892, 3027, 3374, 3856, 4036, 5061, 5784, 6054, 6748, 7063, 8072, 10122, 11568, 12108, 13496, 14126, 16144, 20244, 21189, 24216, 26992, 28252, 40488, 42378, 48432, 56504, 80976, 84756, 113008, 169512, 243169, 339024, 486338, 729507, 972676, 1459014, 1702183, 1945352, 2918028, 3404366, 3890704, 5106549, 5836056, 6808732, 10213098, 11672112, 13617464, 20426196, 27234928, 40852392, 81704784]

約数ペア:

[(1, 81704784), (2, 40852392), (3, 27234928), (4, 20426196), (6, 13617464), (7, 11672112), (8, 10213098), (12, 6808732), (14, 5836056), (16, 5106549), (21, 3890704), (24, 3404366), (28, 2918028), (42, 1945352), (48, 1702183), (56, 1459014), (84, 972676), (112, 729507), (168, 486338), (241, 339024), (336, 243169), (482, 169512), (723, 113008), (964, 84756), (1009, 80976), (1446, 56504), (1687, 48432), (1928, 42378), (2018, 40488), (2892, 28252), (3027, 26992), (3374, 24216), (3856, 21189), (4036, 20244), (5061, 16144), (5784, 14126), (6054, 13496), (6748, 12108), (7063, 11568), (8072, 10122)]