19949760

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2309}}^1$

素因数の和:2335

約数の個数: 112

約数和(自身を含む): 70408800

約数和(自身を除く): 50459040

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, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2309, 2880, 4320, 4618, 6927, 8640, 9236, 11545, 13854, 18472, 20781, 23090, 27708, 34635, 36944, 41562, 46180, 55416, 62343, 69270, 73888, 83124, 92360, 103905, 110832, 124686, 138540, 147776, 166248, 184720, 207810, 221664, 249372, 277080, 311715, 332496, 369440, 415620, 443328, 498744, 554160, 623430, 664992, 738880, 831240, 997488, 1108320, 1246860, 1329984, 1662480, 1994976, 2216640, 2493720, 3324960, 3989952, 4987440, 6649920, 9974880, 19949760]

約数ペア:

[(1, 19949760), (2, 9974880), (3, 6649920), (4, 4987440), (5, 3989952), (6, 3324960), (8, 2493720), (9, 2216640), (10, 1994976), (12, 1662480), (15, 1329984), (16, 1246860), (18, 1108320), (20, 997488), (24, 831240), (27, 738880), (30, 664992), (32, 623430), (36, 554160), (40, 498744), (45, 443328), (48, 415620), (54, 369440), (60, 332496), (64, 311715), (72, 277080), (80, 249372), (90, 221664), (96, 207810), (108, 184720), (120, 166248), (135, 147776), (144, 138540), (160, 124686), (180, 110832), (192, 103905), (216, 92360), (240, 83124), (270, 73888), (288, 69270), (320, 62343), (360, 55416), (432, 46180), (480, 41562), (540, 36944), (576, 34635), (720, 27708), (864, 23090), (960, 20781), (1080, 18472), (1440, 13854), (1728, 11545), (2160, 9236), (2309, 8640), (2880, 6927), (4320, 4618)]