31123440

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{1601}}^1$

素因数の和:1629

約数の個数: 120

約数和(自身を含む): 108461808

約数和(自身を除く): 77338368

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, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1601, 1620, 1944, 2160, 2430, 3202, 3240, 3888, 4803, 4860, 6404, 6480, 8005, 9606, 9720, 12808, 14409, 16010, 19212, 19440, 24015, 25616, 28818, 32020, 38424, 43227, 48030, 57636, 64040, 72045, 76848, 86454, 96060, 115272, 128080, 129681, 144090, 172908, 192120, 216135, 230544, 259362, 288180, 345816, 384240, 389043, 432270, 518724, 576360, 648405, 691632, 778086, 864540, 1037448, 1152720, 1296810, 1556172, 1729080, 1945215, 2074896, 2593620, 3112344, 3458160, 3890430, 5187240, 6224688, 7780860, 10374480, 15561720, 31123440]

約数ペア:

[(1, 31123440), (2, 15561720), (3, 10374480), (4, 7780860), (5, 6224688), (6, 5187240), (8, 3890430), (9, 3458160), (10, 3112344), (12, 2593620), (15, 2074896), (16, 1945215), (18, 1729080), (20, 1556172), (24, 1296810), (27, 1152720), (30, 1037448), (36, 864540), (40, 778086), (45, 691632), (48, 648405), (54, 576360), (60, 518724), (72, 432270), (80, 389043), (81, 384240), (90, 345816), (108, 288180), (120, 259362), (135, 230544), (144, 216135), (162, 192120), (180, 172908), (216, 144090), (240, 129681), (243, 128080), (270, 115272), (324, 96060), (360, 86454), (405, 76848), (432, 72045), (486, 64040), (540, 57636), (648, 48030), (720, 43227), (810, 38424), (972, 32020), (1080, 28818), (1215, 25616), (1296, 24015), (1601, 19440), (1620, 19212), (1944, 16010), (2160, 14409), (2430, 12808), (3202, 9720), (3240, 9606), (3888, 8005), (4803, 6480), (4860, 6404)]