280739520

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{10831}}^1$

素因数の和:10860

約数の個数: 140

約数和(自身を含む): 998732064

約数和(自身を除く): 717992544

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, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 10831, 12960, 21662, 25920, 32493, 43324, 54155, 64986, 86648, 97479, 108310, 129972, 162465, 173296, 194958, 216620, 259944, 292437, 324930, 346592, 389916, 433240, 487395, 519888, 584874, 649860, 693184, 779832, 866480, 877311, 974790, 1039776, 1169748, 1299720, 1462185, 1559664, 1732960, 1754622, 1949580, 2079552, 2339496, 2599440, 2924370, 3119328, 3465920, 3509244, 3899160, 4386555, 4678992, 5198880, 5848740, 6238656, 7018488, 7798320, 8773110, 9357984, 10397760, 11697480, 14036976, 15596640, 17546220, 18715968, 23394960, 28073952, 31193280, 35092440, 46789920, 56147904, 70184880, 93579840, 140369760, 280739520]

約数ペア:

[(1, 280739520), (2, 140369760), (3, 93579840), (4, 70184880), (5, 56147904), (6, 46789920), (8, 35092440), (9, 31193280), (10, 28073952), (12, 23394960), (15, 18715968), (16, 17546220), (18, 15596640), (20, 14036976), (24, 11697480), (27, 10397760), (30, 9357984), (32, 8773110), (36, 7798320), (40, 7018488), (45, 6238656), (48, 5848740), (54, 5198880), (60, 4678992), (64, 4386555), (72, 3899160), (80, 3509244), (81, 3465920), (90, 3119328), (96, 2924370), (108, 2599440), (120, 2339496), (135, 2079552), (144, 1949580), (160, 1754622), (162, 1732960), (180, 1559664), (192, 1462185), (216, 1299720), (240, 1169748), (270, 1039776), (288, 974790), (320, 877311), (324, 866480), (360, 779832), (405, 693184), (432, 649860), (480, 584874), (540, 519888), (576, 487395), (648, 433240), (720, 389916), (810, 346592), (864, 324930), (960, 292437), (1080, 259944), (1296, 216620), (1440, 194958), (1620, 173296), (1728, 162465), (2160, 129972), (2592, 108310), (2880, 97479), (3240, 86648), (4320, 64986), (5184, 54155), (6480, 43324), (8640, 32493), (10831, 25920), (12960, 21662)]