28239840

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{2179}}^1$

素因数の和:2206

約数の個数: 120

約数和(自身を含む): 99708840

約数和(自身を除く): 71469000

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, 2179, 2592, 3240, 4320, 4358, 6480, 6537, 8716, 10895, 12960, 13074, 17432, 19611, 21790, 26148, 32685, 34864, 39222, 43580, 52296, 58833, 65370, 69728, 78444, 87160, 98055, 104592, 117666, 130740, 156888, 174320, 176499, 196110, 209184, 235332, 261480, 294165, 313776, 348640, 352998, 392220, 470664, 522960, 588330, 627552, 705996, 784440, 882495, 941328, 1045920, 1176660, 1411992, 1568880, 1764990, 1882656, 2353320, 2823984, 3137760, 3529980, 4706640, 5647968, 7059960, 9413280, 14119920, 28239840]

約数ペア:

[(1, 28239840), (2, 14119920), (3, 9413280), (4, 7059960), (5, 5647968), (6, 4706640), (8, 3529980), (9, 3137760), (10, 2823984), (12, 2353320), (15, 1882656), (16, 1764990), (18, 1568880), (20, 1411992), (24, 1176660), (27, 1045920), (30, 941328), (32, 882495), (36, 784440), (40, 705996), (45, 627552), (48, 588330), (54, 522960), (60, 470664), (72, 392220), (80, 352998), (81, 348640), (90, 313776), (96, 294165), (108, 261480), (120, 235332), (135, 209184), (144, 196110), (160, 176499), (162, 174320), (180, 156888), (216, 130740), (240, 117666), (270, 104592), (288, 98055), (324, 87160), (360, 78444), (405, 69728), (432, 65370), (480, 58833), (540, 52296), (648, 43580), (720, 39222), (810, 34864), (864, 32685), (1080, 26148), (1296, 21790), (1440, 19611), (1620, 17432), (2160, 13074), (2179, 12960), (2592, 10895), (3240, 8716), (4320, 6537), (4358, 6480)]