81256176

素因数分解:

$2^4\times 3^3\times {\mathrm{239}}^1\times {\mathrm{787}}^1$

素因数の和:1043

約数の個数: 80

約数和(自身を含む): 234508800

約数和(自身を除く): 153252624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 239, 432, 478, 717, 787, 956, 1434, 1574, 1912, 2151, 2361, 2868, 3148, 3824, 4302, 4722, 5736, 6296, 6453, 7083, 8604, 9444, 11472, 12592, 12906, 14166, 17208, 18888, 21249, 25812, 28332, 34416, 37776, 42498, 51624, 56664, 84996, 103248, 113328, 169992, 188093, 339984, 376186, 564279, 752372, 1128558, 1504744, 1692837, 2257116, 3009488, 3385674, 4514232, 5078511, 6771348, 9028464, 10157022, 13542696, 20314044, 27085392, 40628088, 81256176]

約数ペア:

[(1, 81256176), (2, 40628088), (3, 27085392), (4, 20314044), (6, 13542696), (8, 10157022), (9, 9028464), (12, 6771348), (16, 5078511), (18, 4514232), (24, 3385674), (27, 3009488), (36, 2257116), (48, 1692837), (54, 1504744), (72, 1128558), (108, 752372), (144, 564279), (216, 376186), (239, 339984), (432, 188093), (478, 169992), (717, 113328), (787, 103248), (956, 84996), (1434, 56664), (1574, 51624), (1912, 42498), (2151, 37776), (2361, 34416), (2868, 28332), (3148, 25812), (3824, 21249), (4302, 18888), (4722, 17208), (5736, 14166), (6296, 12906), (6453, 12592), (7083, 11472), (8604, 9444)]