28550880

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{2203}}^1$

素因数の和:2230

約数の個数: 120

約数和(自身を含む): 100806552

約数和(自身を除く): 72255672

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2203, 2592, 3240, 4320, 4406, 6480, 6609, 8812, 11015, 12960, 13218, 17624, 19827, 22030, 26436, 33045, 35248, 39654, 44060, 52872, 59481, 66090, 70496, 79308, 88120, 99135, 105744, 118962, 132180, 158616, 176240, 178443, 198270, 211488, 237924, 264360, 297405, 317232, 352480, 356886, 396540, 475848, 528720, 594810, 634464, 713772, 793080, 892215, 951696, 1057440, 1189620, 1427544, 1586160, 1784430, 1903392, 2379240, 2855088, 3172320, 3568860, 4758480, 5710176, 7137720, 9516960, 14275440, 28550880]

約数ペア:

[(1, 28550880), (2, 14275440), (3, 9516960), (4, 7137720), (5, 5710176), (6, 4758480), (8, 3568860), (9, 3172320), (10, 2855088), (12, 2379240), (15, 1903392), (16, 1784430), (18, 1586160), (20, 1427544), (24, 1189620), (27, 1057440), (30, 951696), (32, 892215), (36, 793080), (40, 713772), (45, 634464), (48, 594810), (54, 528720), (60, 475848), (72, 396540), (80, 356886), (81, 352480), (90, 317232), (96, 297405), (108, 264360), (120, 237924), (135, 211488), (144, 198270), (160, 178443), (162, 176240), (180, 158616), (216, 132180), (240, 118962), (270, 105744), (288, 99135), (324, 88120), (360, 79308), (405, 70496), (432, 66090), (480, 59481), (540, 52872), (648, 44060), (720, 39654), (810, 35248), (864, 33045), (1080, 26436), (1296, 22030), (1440, 19827), (1620, 17624), (2160, 13218), (2203, 12960), (2592, 11015), (3240, 8812), (4320, 6609), (4406, 6480)]