1655352720

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{109481}}^1$

素因数の和:109510

約数の個数: 160

約数和(自身を含む): 6516368640

約数和(自身を除く): 4861015920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 109481, 218962, 328443, 437924, 547405, 656886, 766367, 875848, 985329, 1094810, 1313772, 1532734, 1642215, 1751696, 1970658, 2189620, 2299101, 2627544, 2955987, 3065468, 3284430, 3831835, 3941316, 4379240, 4598202, 4926645, 5255088, 5911974, 6130936, 6568860, 6897303, 7663670, 7882632, 8758480, 9196404, 9853290, 11495505, 11823948, 12261872, 13137720, 13794606, 14779935, 15327340, 15765264, 18392808, 19706580, 20691909, 22991010, 23647896, 26275440, 27589212, 29559870, 30654680, 34486515, 36785616, 39413160, 41383818, 45982020, 47295792, 55178424, 59119740, 61309360, 68973030, 78826320, 82767636, 91964040, 103459545, 110356848, 118239480, 137946060, 165535272, 183928080, 206919090, 236478960, 275892120, 331070544, 413838180, 551784240, 827676360, 1655352720]

約数ペア:

[(1, 1655352720), (2, 827676360), (3, 551784240), (4, 413838180), (5, 331070544), (6, 275892120), (7, 236478960), (8, 206919090), (9, 183928080), (10, 165535272), (12, 137946060), (14, 118239480), (15, 110356848), (16, 103459545), (18, 91964040), (20, 82767636), (21, 78826320), (24, 68973030), (27, 61309360), (28, 59119740), (30, 55178424), (35, 47295792), (36, 45982020), (40, 41383818), (42, 39413160), (45, 36785616), (48, 34486515), (54, 30654680), (56, 29559870), (60, 27589212), (63, 26275440), (70, 23647896), (72, 22991010), (80, 20691909), (84, 19706580), (90, 18392808), (105, 15765264), (108, 15327340), (112, 14779935), (120, 13794606), (126, 13137720), (135, 12261872), (140, 11823948), (144, 11495505), (168, 9853290), (180, 9196404), (189, 8758480), (210, 7882632), (216, 7663670), (240, 6897303), (252, 6568860), (270, 6130936), (280, 5911974), (315, 5255088), (336, 4926645), (360, 4598202), (378, 4379240), (420, 3941316), (432, 3831835), (504, 3284430), (540, 3065468), (560, 2955987), (630, 2627544), (720, 2299101), (756, 2189620), (840, 1970658), (945, 1751696), (1008, 1642215), (1080, 1532734), (1260, 1313772), (1512, 1094810), (1680, 985329), (1890, 875848), (2160, 766367), (2520, 656886), (3024, 547405), (3780, 437924), (5040, 328443), (7560, 218962), (15120, 109481)]