205683840

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{11903}}^1$

素因数の和:11931

約数の個数: 128

約数和(自身を含む): 728524800

約数和(自身を除く): 522840960

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, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 11903, 17280, 23806, 35709, 47612, 59515, 71418, 95224, 107127, 119030, 142836, 178545, 190448, 214254, 238060, 285672, 321381, 357090, 380896, 428508, 476120, 535635, 571344, 642762, 714180, 761792, 857016, 952240, 1071270, 1142688, 1285524, 1428360, 1523584, 1606905, 1714032, 1904480, 2142540, 2285376, 2571048, 2856720, 3213810, 3428064, 3808960, 4285080, 4570752, 5142096, 5713440, 6427620, 6856128, 7617920, 8570160, 10284192, 11426880, 12855240, 13712256, 17140320, 20568384, 22853760, 25710480, 34280640, 41136768, 51420960, 68561280, 102841920, 205683840]

約数ペア:

[(1, 205683840), (2, 102841920), (3, 68561280), (4, 51420960), (5, 41136768), (6, 34280640), (8, 25710480), (9, 22853760), (10, 20568384), (12, 17140320), (15, 13712256), (16, 12855240), (18, 11426880), (20, 10284192), (24, 8570160), (27, 7617920), (30, 6856128), (32, 6427620), (36, 5713440), (40, 5142096), (45, 4570752), (48, 4285080), (54, 3808960), (60, 3428064), (64, 3213810), (72, 2856720), (80, 2571048), (90, 2285376), (96, 2142540), (108, 1904480), (120, 1714032), (128, 1606905), (135, 1523584), (144, 1428360), (160, 1285524), (180, 1142688), (192, 1071270), (216, 952240), (240, 857016), (270, 761792), (288, 714180), (320, 642762), (360, 571344), (384, 535635), (432, 476120), (480, 428508), (540, 380896), (576, 357090), (640, 321381), (720, 285672), (864, 238060), (960, 214254), (1080, 190448), (1152, 178545), (1440, 142836), (1728, 119030), (1920, 107127), (2160, 95224), (2880, 71418), (3456, 59515), (4320, 47612), (5760, 35709), (8640, 23806), (11903, 17280)]