256160520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9241}}^1$

素因数の和:9276

約数の個数: 192

約数和(自身を含む): 1038061440

約数和(自身を除く): 781900920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 252, 264, 280, 308, 315, 330, 360, 385, 396, 420, 440, 462, 495, 504, 616, 630, 660, 693, 770, 792, 840, 924, 990, 1155, 1260, 1320, 1386, 1540, 1848, 1980, 2310, 2520, 2772, 3080, 3465, 3960, 4620, 5544, 6930, 9240, 9241, 13860, 18482, 27720, 27723, 36964, 46205, 55446, 64687, 73928, 83169, 92410, 101651, 110892, 129374, 138615, 166338, 184820, 194061, 203302, 221784, 258748, 277230, 304953, 323435, 332676, 369640, 388122, 406604, 415845, 508255, 517496, 554460, 582183, 609906, 646870, 665352, 711557, 776244, 813208, 831690, 914859, 970305, 1016510, 1108920, 1164366, 1219812, 1293740, 1423114, 1524765, 1552488, 1663380, 1829718, 1940610, 2033020, 2134671, 2328732, 2439624, 2587480, 2846228, 2910915, 3049530, 3326760, 3557785, 3659436, 3881220, 4066040, 4269342, 4574295, 4657464, 5692456, 5821830, 6099060, 6404013, 7115570, 7318872, 7762440, 8538684, 9148590, 10673355, 11643660, 12198120, 12808026, 14231140, 17077368, 18297180, 21346710, 23287320, 25616052, 28462280, 32020065, 36594360, 42693420, 51232104, 64040130, 85386840, 128080260, 256160520]

約数ペア:

[(1, 256160520), (2, 128080260), (3, 85386840), (4, 64040130), (5, 51232104), (6, 42693420), (7, 36594360), (8, 32020065), (9, 28462280), (10, 25616052), (11, 23287320), (12, 21346710), (14, 18297180), (15, 17077368), (18, 14231140), (20, 12808026), (21, 12198120), (22, 11643660), (24, 10673355), (28, 9148590), (30, 8538684), (33, 7762440), (35, 7318872), (36, 7115570), (40, 6404013), (42, 6099060), (44, 5821830), (45, 5692456), (55, 4657464), (56, 4574295), (60, 4269342), (63, 4066040), (66, 3881220), (70, 3659436), (72, 3557785), (77, 3326760), (84, 3049530), (88, 2910915), (90, 2846228), (99, 2587480), (105, 2439624), (110, 2328732), (120, 2134671), (126, 2033020), (132, 1940610), (140, 1829718), (154, 1663380), (165, 1552488), (168, 1524765), (180, 1423114), (198, 1293740), (210, 1219812), (220, 1164366), (231, 1108920), (252, 1016510), (264, 970305), (280, 914859), (308, 831690), (315, 813208), (330, 776244), (360, 711557), (385, 665352), (396, 646870), (420, 609906), (440, 582183), (462, 554460), (495, 517496), (504, 508255), (616, 415845), (630, 406604), (660, 388122), (693, 369640), (770, 332676), (792, 323435), (840, 304953), (924, 277230), (990, 258748), (1155, 221784), (1260, 203302), (1320, 194061), (1386, 184820), (1540, 166338), (1848, 138615), (1980, 129374), (2310, 110892), (2520, 101651), (2772, 92410), (3080, 83169), (3465, 73928), (3960, 64687), (4620, 55446), (5544, 46205), (6930, 36964), (9240, 27723), (9241, 27720), (13860, 18482)]