81719928

素因数分解:

$2^3\times 3^5\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:479

約数の個数: 96

約数和(自身を含む): 232028160

約数和(自身を除く): 150308232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 127, 162, 216, 243, 254, 324, 331, 381, 486, 508, 648, 662, 762, 972, 993, 1016, 1143, 1324, 1524, 1944, 1986, 2286, 2648, 2979, 3048, 3429, 3972, 4572, 5958, 6858, 7944, 8937, 9144, 10287, 11916, 13716, 17874, 20574, 23832, 26811, 27432, 30861, 35748, 41148, 42037, 53622, 61722, 71496, 80433, 82296, 84074, 107244, 123444, 126111, 160866, 168148, 214488, 246888, 252222, 321732, 336296, 378333, 504444, 643464, 756666, 1008888, 1134999, 1513332, 2269998, 3026664, 3404997, 4539996, 6809994, 9079992, 10214991, 13619988, 20429982, 27239976, 40859964, 81719928]

約数ペア:

[(1, 81719928), (2, 40859964), (3, 27239976), (4, 20429982), (6, 13619988), (8, 10214991), (9, 9079992), (12, 6809994), (18, 4539996), (24, 3404997), (27, 3026664), (36, 2269998), (54, 1513332), (72, 1134999), (81, 1008888), (108, 756666), (127, 643464), (162, 504444), (216, 378333), (243, 336296), (254, 321732), (324, 252222), (331, 246888), (381, 214488), (486, 168148), (508, 160866), (648, 126111), (662, 123444), (762, 107244), (972, 84074), (993, 82296), (1016, 80433), (1143, 71496), (1324, 61722), (1524, 53622), (1944, 42037), (1986, 41148), (2286, 35748), (2648, 30861), (2979, 27432), (3048, 26811), (3429, 23832), (3972, 20574), (4572, 17874), (5958, 13716), (6858, 11916), (7944, 10287), (8937, 9144)]