261701280

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 288

約数和(自身を含む): 951035904

約数和(自身を除く): 689334624

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, 53, 54, 60, 72, 80, 81, 90, 96, 106, 108, 120, 127, 135, 144, 159, 160, 162, 180, 212, 216, 240, 243, 254, 265, 270, 288, 318, 324, 360, 381, 405, 424, 432, 477, 480, 486, 508, 530, 540, 635, 636, 648, 720, 762, 795, 810, 848, 864, 954, 972, 1016, 1060, 1080, 1143, 1215, 1270, 1272, 1296, 1431, 1440, 1524, 1590, 1620, 1696, 1905, 1908, 1944, 2032, 2120, 2160, 2286, 2385, 2430, 2540, 2544, 2592, 2862, 3048, 3180, 3240, 3429, 3810, 3816, 3888, 4064, 4240, 4293, 4320, 4572, 4770, 4860, 5080, 5088, 5715, 5724, 6096, 6360, 6480, 6731, 6858, 7155, 7620, 7632, 7776, 8480, 8586, 9144, 9540, 9720, 10160, 10287, 11430, 11448, 12192, 12720, 12879, 12960, 13462, 13716, 14310, 15240, 15264, 17145, 17172, 18288, 19080, 19440, 20193, 20320, 20574, 21465, 22860, 22896, 25440, 25758, 26924, 27432, 28620, 30480, 30861, 33655, 34290, 34344, 36576, 38160, 38880, 40386, 41148, 42930, 45720, 45792, 51435, 51516, 53848, 54864, 57240, 60579, 60960, 61722, 64395, 67310, 68580, 68688, 76320, 80772, 82296, 85860, 91440, 100965, 102870, 103032, 107696, 109728, 114480, 121158, 123444, 128790, 134620, 137160, 137376, 154305, 161544, 164592, 171720, 181737, 182880, 201930, 205740, 206064, 215392, 228960, 242316, 246888, 257580, 269240, 274320, 302895, 308610, 323088, 329184, 343440, 363474, 403860, 411480, 412128, 484632, 493776, 515160, 538480, 545211, 548640, 605790, 617220, 646176, 686880, 726948, 807720, 822960, 908685, 969264, 987552, 1030320, 1076960, 1090422, 1211580, 1234440, 1453896, 1615440, 1635633, 1645920, 1817370, 1938528, 2060640, 2180844, 2423160, 2468880, 2726055, 2907792, 3230880, 3271266, 3634740, 4361688, 4846320, 4937760, 5452110, 5815584, 6542532, 7269480, 8178165, 8723376, 9692640, 10904220, 13085064, 14538960, 16356330, 17446752, 21808440, 26170128, 29077920, 32712660, 43616880, 52340256, 65425320, 87233760, 130850640, 261701280]

約数ペア:

[(1, 261701280), (2, 130850640), (3, 87233760), (4, 65425320), (5, 52340256), (6, 43616880), (8, 32712660), (9, 29077920), (10, 26170128), (12, 21808440), (15, 17446752), (16, 16356330), (18, 14538960), (20, 13085064), (24, 10904220), (27, 9692640), (30, 8723376), (32, 8178165), (36, 7269480), (40, 6542532), (45, 5815584), (48, 5452110), (53, 4937760), (54, 4846320), (60, 4361688), (72, 3634740), (80, 3271266), (81, 3230880), (90, 2907792), (96, 2726055), (106, 2468880), (108, 2423160), (120, 2180844), (127, 2060640), (135, 1938528), (144, 1817370), (159, 1645920), (160, 1635633), (162, 1615440), (180, 1453896), (212, 1234440), (216, 1211580), (240, 1090422), (243, 1076960), (254, 1030320), (265, 987552), (270, 969264), (288, 908685), (318, 822960), (324, 807720), (360, 726948), (381, 686880), (405, 646176), (424, 617220), (432, 605790), (477, 548640), (480, 545211), (486, 538480), (508, 515160), (530, 493776), (540, 484632), (635, 412128), (636, 411480), (648, 403860), (720, 363474), (762, 343440), (795, 329184), (810, 323088), (848, 308610), (864, 302895), (954, 274320), (972, 269240), (1016, 257580), (1060, 246888), (1080, 242316), (1143, 228960), (1215, 215392), (1270, 206064), (1272, 205740), (1296, 201930), (1431, 182880), (1440, 181737), (1524, 171720), (1590, 164592), (1620, 161544), (1696, 154305), (1905, 137376), (1908, 137160), (1944, 134620), (2032, 128790), (2120, 123444), (2160, 121158), (2286, 114480), (2385, 109728), (2430, 107696), (2540, 103032), (2544, 102870), (2592, 100965), (2862, 91440), (3048, 85860), (3180, 82296), (3240, 80772), (3429, 76320), (3810, 68688), (3816, 68580), (3888, 67310), (4064, 64395), (4240, 61722), (4293, 60960), (4320, 60579), (4572, 57240), (4770, 54864), (4860, 53848), (5080, 51516), (5088, 51435), (5715, 45792), (5724, 45720), (6096, 42930), (6360, 41148), (6480, 40386), (6731, 38880), (6858, 38160), (7155, 36576), (7620, 34344), (7632, 34290), (7776, 33655), (8480, 30861), (8586, 30480), (9144, 28620), (9540, 27432), (9720, 26924), (10160, 25758), (10287, 25440), (11430, 22896), (11448, 22860), (12192, 21465), (12720, 20574), (12879, 20320), (12960, 20193), (13462, 19440), (13716, 19080), (14310, 18288), (15240, 17172), (15264, 17145)]