81207072

素因数分解:

$2^5\times 3^2\times {\mathrm{457}}^1\times {\mathrm{617}}^1$

素因数の和:1090

約数の個数: 72

約数和(自身を含む): 231813036

約数和(自身を除く): 150605964

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 457, 617, 914, 1234, 1371, 1828, 1851, 2468, 2742, 3656, 3702, 4113, 4936, 5484, 5553, 7312, 7404, 8226, 9872, 10968, 11106, 14624, 14808, 16452, 19744, 21936, 22212, 29616, 32904, 43872, 44424, 59232, 65808, 88848, 131616, 177696, 281969, 563938, 845907, 1127876, 1691814, 2255752, 2537721, 3383628, 4511504, 5075442, 6767256, 9023008, 10150884, 13534512, 20301768, 27069024, 40603536, 81207072]

約数ペア:

[(1, 81207072), (2, 40603536), (3, 27069024), (4, 20301768), (6, 13534512), (8, 10150884), (9, 9023008), (12, 6767256), (16, 5075442), (18, 4511504), (24, 3383628), (32, 2537721), (36, 2255752), (48, 1691814), (72, 1127876), (96, 845907), (144, 563938), (288, 281969), (457, 177696), (617, 131616), (914, 88848), (1234, 65808), (1371, 59232), (1828, 44424), (1851, 43872), (2468, 32904), (2742, 29616), (3656, 22212), (3702, 21936), (4113, 19744), (4936, 16452), (5484, 14808), (5553, 14624), (7312, 11106), (7404, 10968), (8226, 9872)]