81665568

素因数分解:

$2^5\times 3^2\times {\mathrm{233}}^1\times {\mathrm{1217}}^1$

素因数の和:1466

約数の個数: 72

約数和(自身を含む): 233424828

約数和(自身を除く): 151759260

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 233, 288, 466, 699, 932, 1217, 1398, 1864, 2097, 2434, 2796, 3651, 3728, 4194, 4868, 5592, 7302, 7456, 8388, 9736, 10953, 11184, 14604, 16776, 19472, 21906, 22368, 29208, 33552, 38944, 43812, 58416, 67104, 87624, 116832, 175248, 283561, 350496, 567122, 850683, 1134244, 1701366, 2268488, 2552049, 3402732, 4536976, 5104098, 6805464, 9073952, 10208196, 13610928, 20416392, 27221856, 40832784, 81665568]

約数ペア:

[(1, 81665568), (2, 40832784), (3, 27221856), (4, 20416392), (6, 13610928), (8, 10208196), (9, 9073952), (12, 6805464), (16, 5104098), (18, 4536976), (24, 3402732), (32, 2552049), (36, 2268488), (48, 1701366), (72, 1134244), (96, 850683), (144, 567122), (233, 350496), (288, 283561), (466, 175248), (699, 116832), (932, 87624), (1217, 67104), (1398, 58416), (1864, 43812), (2097, 38944), (2434, 33552), (2796, 29208), (3651, 22368), (3728, 21906), (4194, 19472), (4868, 16776), (5592, 14604), (7302, 11184), (7456, 10953), (8388, 9736)]