81181008

素因数分解:

$2^4\times 3^3\times {\mathrm{113}}^1\times {\mathrm{1663}}^1$

素因数の和:1793

約数の個数: 80

約数和(自身を含む): 235223040

約数和(自身を除く): 154042032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 113, 144, 216, 226, 339, 432, 452, 678, 904, 1017, 1356, 1663, 1808, 2034, 2712, 3051, 3326, 4068, 4989, 5424, 6102, 6652, 8136, 9978, 12204, 13304, 14967, 16272, 19956, 24408, 26608, 29934, 39912, 44901, 48816, 59868, 79824, 89802, 119736, 179604, 187919, 239472, 359208, 375838, 563757, 718416, 751676, 1127514, 1503352, 1691271, 2255028, 3006704, 3382542, 4510056, 5073813, 6765084, 9020112, 10147626, 13530168, 20295252, 27060336, 40590504, 81181008]

約数ペア:

[(1, 81181008), (2, 40590504), (3, 27060336), (4, 20295252), (6, 13530168), (8, 10147626), (9, 9020112), (12, 6765084), (16, 5073813), (18, 4510056), (24, 3382542), (27, 3006704), (36, 2255028), (48, 1691271), (54, 1503352), (72, 1127514), (108, 751676), (113, 718416), (144, 563757), (216, 375838), (226, 359208), (339, 239472), (432, 187919), (452, 179604), (678, 119736), (904, 89802), (1017, 79824), (1356, 59868), (1663, 48816), (1808, 44901), (2034, 39912), (2712, 29934), (3051, 26608), (3326, 24408), (4068, 19956), (4989, 16272), (5424, 14967), (6102, 13304), (6652, 12204), (8136, 9978)]