81772128

素因数分解:

$2^5\times 3^2\times {\mathrm{499}}^1\times {\mathrm{569}}^1$

素因数の和:1084

約数の個数: 72

約数和(自身を含む): 233415000

約数和(自身を除く): 151642872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 499, 569, 998, 1138, 1497, 1707, 1996, 2276, 2994, 3414, 3992, 4491, 4552, 5121, 5988, 6828, 7984, 8982, 9104, 10242, 11976, 13656, 15968, 17964, 18208, 20484, 23952, 27312, 35928, 40968, 47904, 54624, 71856, 81936, 143712, 163872, 283931, 567862, 851793, 1135724, 1703586, 2271448, 2555379, 3407172, 4542896, 5110758, 6814344, 9085792, 10221516, 13628688, 20443032, 27257376, 40886064, 81772128]

約数ペア:

[(1, 81772128), (2, 40886064), (3, 27257376), (4, 20443032), (6, 13628688), (8, 10221516), (9, 9085792), (12, 6814344), (16, 5110758), (18, 4542896), (24, 3407172), (32, 2555379), (36, 2271448), (48, 1703586), (72, 1135724), (96, 851793), (144, 567862), (288, 283931), (499, 163872), (569, 143712), (998, 81936), (1138, 71856), (1497, 54624), (1707, 47904), (1996, 40968), (2276, 35928), (2994, 27312), (3414, 23952), (3992, 20484), (4491, 18208), (4552, 17964), (5121, 15968), (5988, 13656), (6828, 11976), (7984, 10242), (8982, 9104)]