81654480

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{12601}}^1$

素因数の和:12626

約数の個数: 100

約数和(自身を含む): 283620612

約数和(自身を除く): 201966132

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 12601, 25202, 37803, 50404, 63005, 75606, 100808, 113409, 126010, 151212, 189015, 201616, 226818, 252020, 302424, 340227, 378030, 453636, 504040, 567045, 604848, 680454, 756060, 907272, 1008080, 1020681, 1134090, 1360908, 1512120, 1701135, 1814544, 2041362, 2268180, 2721816, 3024240, 3402270, 4082724, 4536360, 5103405, 5443632, 6804540, 8165448, 9072720, 10206810, 13609080, 16330896, 20413620, 27218160, 40827240, 81654480]

約数ペア:

[(1, 81654480), (2, 40827240), (3, 27218160), (4, 20413620), (5, 16330896), (6, 13609080), (8, 10206810), (9, 9072720), (10, 8165448), (12, 6804540), (15, 5443632), (16, 5103405), (18, 4536360), (20, 4082724), (24, 3402270), (27, 3024240), (30, 2721816), (36, 2268180), (40, 2041362), (45, 1814544), (48, 1701135), (54, 1512120), (60, 1360908), (72, 1134090), (80, 1020681), (81, 1008080), (90, 907272), (108, 756060), (120, 680454), (135, 604848), (144, 567045), (162, 504040), (180, 453636), (216, 378030), (240, 340227), (270, 302424), (324, 252020), (360, 226818), (405, 201616), (432, 189015), (540, 151212), (648, 126010), (720, 113409), (810, 100808), (1080, 75606), (1296, 63005), (1620, 50404), (2160, 37803), (3240, 25202), (6480, 12601)]