261926280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{859}}^1$

素因数の和:905

約数の個数: 288

約数和(自身を含む): 1070596800

約数和(自身を除く): 808670520

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, 121, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 242, 252, 264, 280, 308, 315, 330, 360, 363, 385, 396, 420, 440, 462, 484, 495, 504, 605, 616, 630, 660, 693, 726, 770, 792, 840, 847, 859, 924, 968, 990, 1089, 1155, 1210, 1260, 1320, 1386, 1452, 1540, 1694, 1718, 1815, 1848, 1980, 2178, 2310, 2420, 2520, 2541, 2577, 2772, 2904, 3080, 3388, 3436, 3465, 3630, 3960, 4235, 4295, 4356, 4620, 4840, 5082, 5154, 5445, 5544, 6013, 6776, 6872, 6930, 7260, 7623, 7731, 8470, 8590, 8712, 9240, 9449, 10164, 10308, 10890, 12026, 12705, 12885, 13860, 14520, 15246, 15462, 16940, 17180, 18039, 18898, 20328, 20616, 21780, 24052, 25410, 25770, 27720, 28347, 30065, 30492, 30924, 33880, 34360, 36078, 37796, 38115, 38655, 43560, 47245, 48104, 50820, 51540, 54117, 56694, 60130, 60984, 61848, 66143, 72156, 75592, 76230, 77310, 85041, 90195, 94490, 101640, 103080, 103939, 108234, 113388, 120260, 132286, 141735, 144312, 152460, 154620, 170082, 180390, 188980, 198429, 207878, 216468, 226776, 240520, 264572, 270585, 283470, 304920, 309240, 311817, 330715, 340164, 360780, 377960, 396858, 415756, 425205, 432936, 519695, 529144, 541170, 566940, 595287, 623634, 661430, 680328, 721560, 727573, 793716, 831512, 850410, 935451, 992145, 1039390, 1082340, 1133880, 1190574, 1247268, 1322860, 1455146, 1559085, 1587432, 1700820, 1870902, 1984290, 2078780, 2164680, 2182719, 2381148, 2494536, 2645720, 2910292, 2976435, 3118170, 3401640, 3637865, 3741804, 3968580, 4157560, 4365438, 4677255, 4762296, 5820584, 5952870, 6236340, 6548157, 7275730, 7483608, 7937160, 8730876, 9354510, 10913595, 11905740, 12472680, 13096314, 14551460, 17461752, 18709020, 21827190, 23811480, 26192628, 29102920, 32740785, 37418040, 43654380, 52385256, 65481570, 87308760, 130963140, 261926280]

約数ペア:

[(1, 261926280), (2, 130963140), (3, 87308760), (4, 65481570), (5, 52385256), (6, 43654380), (7, 37418040), (8, 32740785), (9, 29102920), (10, 26192628), (11, 23811480), (12, 21827190), (14, 18709020), (15, 17461752), (18, 14551460), (20, 13096314), (21, 12472680), (22, 11905740), (24, 10913595), (28, 9354510), (30, 8730876), (33, 7937160), (35, 7483608), (36, 7275730), (40, 6548157), (42, 6236340), (44, 5952870), (45, 5820584), (55, 4762296), (56, 4677255), (60, 4365438), (63, 4157560), (66, 3968580), (70, 3741804), (72, 3637865), (77, 3401640), (84, 3118170), (88, 2976435), (90, 2910292), (99, 2645720), (105, 2494536), (110, 2381148), (120, 2182719), (121, 2164680), (126, 2078780), (132, 1984290), (140, 1870902), (154, 1700820), (165, 1587432), (168, 1559085), (180, 1455146), (198, 1322860), (210, 1247268), (220, 1190574), (231, 1133880), (242, 1082340), (252, 1039390), (264, 992145), (280, 935451), (308, 850410), (315, 831512), (330, 793716), (360, 727573), (363, 721560), (385, 680328), (396, 661430), (420, 623634), (440, 595287), (462, 566940), (484, 541170), (495, 529144), (504, 519695), (605, 432936), (616, 425205), (630, 415756), (660, 396858), (693, 377960), (726, 360780), (770, 340164), (792, 330715), (840, 311817), (847, 309240), (859, 304920), (924, 283470), (968, 270585), (990, 264572), (1089, 240520), (1155, 226776), (1210, 216468), (1260, 207878), (1320, 198429), (1386, 188980), (1452, 180390), (1540, 170082), (1694, 154620), (1718, 152460), (1815, 144312), (1848, 141735), (1980, 132286), (2178, 120260), (2310, 113388), (2420, 108234), (2520, 103939), (2541, 103080), (2577, 101640), (2772, 94490), (2904, 90195), (3080, 85041), (3388, 77310), (3436, 76230), (3465, 75592), (3630, 72156), (3960, 66143), (4235, 61848), (4295, 60984), (4356, 60130), (4620, 56694), (4840, 54117), (5082, 51540), (5154, 50820), (5445, 48104), (5544, 47245), (6013, 43560), (6776, 38655), (6872, 38115), (6930, 37796), (7260, 36078), (7623, 34360), (7731, 33880), (8470, 30924), (8590, 30492), (8712, 30065), (9240, 28347), (9449, 27720), (10164, 25770), (10308, 25410), (10890, 24052), (12026, 21780), (12705, 20616), (12885, 20328), (13860, 18898), (14520, 18039), (15246, 17180), (15462, 16940)]