127975968

素因数分解:

$2^5\times 3^2\times {\mathrm{431}}^1\times {\mathrm{1031}}^1$

素因数の和:1478

約数の個数: 72

約数和(自身を含む): 365129856

約数和(自身を除く): 237153888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 431, 862, 1031, 1293, 1724, 2062, 2586, 3093, 3448, 3879, 4124, 5172, 6186, 6896, 7758, 8248, 9279, 10344, 12372, 13792, 15516, 16496, 18558, 20688, 24744, 31032, 32992, 37116, 41376, 49488, 62064, 74232, 98976, 124128, 148464, 296928, 444361, 888722, 1333083, 1777444, 2666166, 3554888, 3999249, 5332332, 7109776, 7998498, 10664664, 14219552, 15996996, 21329328, 31993992, 42658656, 63987984, 127975968]

約数ペア:

[(1, 127975968), (2, 63987984), (3, 42658656), (4, 31993992), (6, 21329328), (8, 15996996), (9, 14219552), (12, 10664664), (16, 7998498), (18, 7109776), (24, 5332332), (32, 3999249), (36, 3554888), (48, 2666166), (72, 1777444), (96, 1333083), (144, 888722), (288, 444361), (431, 296928), (862, 148464), (1031, 124128), (1293, 98976), (1724, 74232), (2062, 62064), (2586, 49488), (3093, 41376), (3448, 37116), (3879, 32992), (4124, 31032), (5172, 24744), (6186, 20688), (6896, 18558), (7758, 16496), (8248, 15516), (9279, 13792), (10344, 12372)]