171684540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{2213}}^1$

素因数の和:2659

約数の個数: 72

約数和(自身を含む): 522220608

約数和(自身を除く): 350536068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 431, 862, 1293, 1724, 2155, 2213, 2586, 3879, 4310, 4426, 5172, 6465, 6639, 7758, 8620, 8852, 11065, 12930, 13278, 15516, 19395, 19917, 22130, 25860, 26556, 33195, 38790, 39834, 44260, 66390, 77580, 79668, 99585, 132780, 199170, 398340, 953803, 1907606, 2861409, 3815212, 4769015, 5722818, 8584227, 9538030, 11445636, 14307045, 17168454, 19076060, 28614090, 34336908, 42921135, 57228180, 85842270, 171684540]

約数ペア:

[(1, 171684540), (2, 85842270), (3, 57228180), (4, 42921135), (5, 34336908), (6, 28614090), (9, 19076060), (10, 17168454), (12, 14307045), (15, 11445636), (18, 9538030), (20, 8584227), (30, 5722818), (36, 4769015), (45, 3815212), (60, 2861409), (90, 1907606), (180, 953803), (431, 398340), (862, 199170), (1293, 132780), (1724, 99585), (2155, 79668), (2213, 77580), (2586, 66390), (3879, 44260), (4310, 39834), (4426, 38790), (5172, 33195), (6465, 26556), (6639, 25860), (7758, 22130), (8620, 19917), (8852, 19395), (11065, 15516), (12930, 13278)]