280421280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1009}}^1$

素因数の和:1223

約数の個数: 144

約数和(自身を含む): 962849160

約数和(自身を除く): 682427880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 193, 240, 288, 360, 386, 480, 579, 720, 772, 965, 1009, 1158, 1440, 1544, 1737, 1930, 2018, 2316, 2895, 3027, 3088, 3474, 3860, 4036, 4632, 5045, 5790, 6054, 6176, 6948, 7720, 8072, 8685, 9081, 9264, 10090, 11580, 12108, 13896, 15135, 15440, 16144, 17370, 18162, 18528, 20180, 23160, 24216, 27792, 30270, 30880, 32288, 34740, 36324, 40360, 45405, 46320, 48432, 55584, 60540, 69480, 72648, 80720, 90810, 92640, 96864, 121080, 138960, 145296, 161440, 181620, 194737, 242160, 277920, 290592, 363240, 389474, 484320, 584211, 726480, 778948, 973685, 1168422, 1452960, 1557896, 1752633, 1947370, 2336844, 2921055, 3115792, 3505266, 3894740, 4673688, 5842110, 6231584, 7010532, 7789480, 8763165, 9347376, 11684220, 14021064, 15578960, 17526330, 18694752, 23368440, 28042128, 31157920, 35052660, 46736880, 56084256, 70105320, 93473760, 140210640, 280421280]

約数ペア:

[(1, 280421280), (2, 140210640), (3, 93473760), (4, 70105320), (5, 56084256), (6, 46736880), (8, 35052660), (9, 31157920), (10, 28042128), (12, 23368440), (15, 18694752), (16, 17526330), (18, 15578960), (20, 14021064), (24, 11684220), (30, 9347376), (32, 8763165), (36, 7789480), (40, 7010532), (45, 6231584), (48, 5842110), (60, 4673688), (72, 3894740), (80, 3505266), (90, 3115792), (96, 2921055), (120, 2336844), (144, 1947370), (160, 1752633), (180, 1557896), (193, 1452960), (240, 1168422), (288, 973685), (360, 778948), (386, 726480), (480, 584211), (579, 484320), (720, 389474), (772, 363240), (965, 290592), (1009, 277920), (1158, 242160), (1440, 194737), (1544, 181620), (1737, 161440), (1930, 145296), (2018, 138960), (2316, 121080), (2895, 96864), (3027, 92640), (3088, 90810), (3474, 80720), (3860, 72648), (4036, 69480), (4632, 60540), (5045, 55584), (5790, 48432), (6054, 46320), (6176, 45405), (6948, 40360), (7720, 36324), (8072, 34740), (8685, 32288), (9081, 30880), (9264, 30270), (10090, 27792), (11580, 24216), (12108, 23160), (13896, 20180), (15135, 18528), (15440, 18162), (16144, 17370)]