205247520

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{5279}}^1$

素因数の和:5309

約数の個数: 144

約数和(自身を含む): 726485760

約数和(自身を除く): 521238240

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, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2160, 2430, 2592, 3240, 3888, 4320, 4860, 5279, 6480, 7776, 9720, 10558, 12960, 15837, 19440, 21116, 26395, 31674, 38880, 42232, 47511, 52790, 63348, 79185, 84464, 95022, 105580, 126696, 142533, 158370, 168928, 190044, 211160, 237555, 253392, 285066, 316740, 380088, 422320, 427599, 475110, 506784, 570132, 633480, 712665, 760176, 844640, 855198, 950220, 1140264, 1266960, 1282797, 1425330, 1520352, 1710396, 1900440, 2137995, 2280528, 2533920, 2565594, 2850660, 3420792, 3800880, 4275990, 4561056, 5131188, 5701320, 6413985, 6841584, 7601760, 8551980, 10262376, 11402640, 12827970, 13683168, 17103960, 20524752, 22805280, 25655940, 34207920, 41049504, 51311880, 68415840, 102623760, 205247520]

約数ペア:

[(1, 205247520), (2, 102623760), (3, 68415840), (4, 51311880), (5, 41049504), (6, 34207920), (8, 25655940), (9, 22805280), (10, 20524752), (12, 17103960), (15, 13683168), (16, 12827970), (18, 11402640), (20, 10262376), (24, 8551980), (27, 7601760), (30, 6841584), (32, 6413985), (36, 5701320), (40, 5131188), (45, 4561056), (48, 4275990), (54, 3800880), (60, 3420792), (72, 2850660), (80, 2565594), (81, 2533920), (90, 2280528), (96, 2137995), (108, 1900440), (120, 1710396), (135, 1520352), (144, 1425330), (160, 1282797), (162, 1266960), (180, 1140264), (216, 950220), (240, 855198), (243, 844640), (270, 760176), (288, 712665), (324, 633480), (360, 570132), (405, 506784), (432, 475110), (480, 427599), (486, 422320), (540, 380088), (648, 316740), (720, 285066), (810, 253392), (864, 237555), (972, 211160), (1080, 190044), (1215, 168928), (1296, 158370), (1440, 142533), (1620, 126696), (1944, 105580), (2160, 95022), (2430, 84464), (2592, 79185), (3240, 63348), (3888, 52790), (4320, 47511), (4860, 42232), (5279, 38880), (6480, 31674), (7776, 26395), (9720, 21116), (10558, 19440), (12960, 15837)]