261418080

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{643}}^1$

素因数の和:690

約数の個数: 288

約数和(自身を含む): 1036046592

約数和(自身を除く): 774628512

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 121, 132, 140, 154, 160, 165, 168, 176, 210, 220, 224, 231, 240, 242, 264, 280, 308, 330, 336, 352, 363, 385, 420, 440, 462, 480, 484, 528, 560, 605, 616, 643, 660, 672, 726, 770, 840, 847, 880, 924, 968, 1056, 1120, 1155, 1210, 1232, 1286, 1320, 1452, 1540, 1680, 1694, 1760, 1815, 1848, 1929, 1936, 2310, 2420, 2464, 2541, 2572, 2640, 2904, 3080, 3215, 3360, 3388, 3630, 3696, 3858, 3872, 4235, 4501, 4620, 4840, 5082, 5144, 5280, 5808, 6160, 6430, 6776, 7073, 7260, 7392, 7716, 8470, 9002, 9240, 9645, 9680, 10164, 10288, 11616, 12320, 12705, 12860, 13503, 13552, 14146, 14520, 15432, 16940, 18004, 18480, 19290, 19360, 20328, 20576, 21219, 22505, 25410, 25720, 27006, 27104, 28292, 29040, 30864, 33880, 35365, 36008, 36960, 38580, 40656, 42438, 45010, 49511, 50820, 51440, 54012, 56584, 58080, 61728, 67515, 67760, 70730, 72016, 77160, 77803, 81312, 84876, 90020, 99022, 101640, 102880, 106095, 108024, 113168, 135030, 135520, 141460, 144032, 148533, 154320, 155606, 169752, 180040, 198044, 203280, 212190, 216048, 226336, 233409, 247555, 270060, 282920, 297066, 308640, 311212, 339504, 360080, 389015, 396088, 406560, 424380, 432096, 466818, 495110, 540120, 544621, 565840, 594132, 622424, 679008, 720160, 742665, 778030, 792176, 848760, 933636, 990220, 1080240, 1089242, 1131680, 1167045, 1188264, 1244848, 1485330, 1556060, 1584352, 1633863, 1697520, 1867272, 1980440, 2160480, 2178484, 2334090, 2376528, 2489696, 2723105, 2970660, 3112120, 3267726, 3395040, 3734544, 3960880, 4356968, 4668180, 4753056, 5446210, 5941320, 6224240, 6535452, 7469088, 7921760, 8169315, 8713936, 9336360, 10892420, 11882640, 12448480, 13070904, 16338630, 17427872, 18672720, 21784840, 23765280, 26141808, 32677260, 37345440, 43569680, 52283616, 65354520, 87139360, 130709040, 261418080]

約数ペア:

[(1, 261418080), (2, 130709040), (3, 87139360), (4, 65354520), (5, 52283616), (6, 43569680), (7, 37345440), (8, 32677260), (10, 26141808), (11, 23765280), (12, 21784840), (14, 18672720), (15, 17427872), (16, 16338630), (20, 13070904), (21, 12448480), (22, 11882640), (24, 10892420), (28, 9336360), (30, 8713936), (32, 8169315), (33, 7921760), (35, 7469088), (40, 6535452), (42, 6224240), (44, 5941320), (48, 5446210), (55, 4753056), (56, 4668180), (60, 4356968), (66, 3960880), (70, 3734544), (77, 3395040), (80, 3267726), (84, 3112120), (88, 2970660), (96, 2723105), (105, 2489696), (110, 2376528), (112, 2334090), (120, 2178484), (121, 2160480), (132, 1980440), (140, 1867272), (154, 1697520), (160, 1633863), (165, 1584352), (168, 1556060), (176, 1485330), (210, 1244848), (220, 1188264), (224, 1167045), (231, 1131680), (240, 1089242), (242, 1080240), (264, 990220), (280, 933636), (308, 848760), (330, 792176), (336, 778030), (352, 742665), (363, 720160), (385, 679008), (420, 622424), (440, 594132), (462, 565840), (480, 544621), (484, 540120), (528, 495110), (560, 466818), (605, 432096), (616, 424380), (643, 406560), (660, 396088), (672, 389015), (726, 360080), (770, 339504), (840, 311212), (847, 308640), (880, 297066), (924, 282920), (968, 270060), (1056, 247555), (1120, 233409), (1155, 226336), (1210, 216048), (1232, 212190), (1286, 203280), (1320, 198044), (1452, 180040), (1540, 169752), (1680, 155606), (1694, 154320), (1760, 148533), (1815, 144032), (1848, 141460), (1929, 135520), (1936, 135030), (2310, 113168), (2420, 108024), (2464, 106095), (2541, 102880), (2572, 101640), (2640, 99022), (2904, 90020), (3080, 84876), (3215, 81312), (3360, 77803), (3388, 77160), (3630, 72016), (3696, 70730), (3858, 67760), (3872, 67515), (4235, 61728), (4501, 58080), (4620, 56584), (4840, 54012), (5082, 51440), (5144, 50820), (5280, 49511), (5808, 45010), (6160, 42438), (6430, 40656), (6776, 38580), (7073, 36960), (7260, 36008), (7392, 35365), (7716, 33880), (8470, 30864), (9002, 29040), (9240, 28292), (9645, 27104), (9680, 27006), (10164, 25720), (10288, 25410), (11616, 22505), (12320, 21219), (12705, 20576), (12860, 20328), (13503, 19360), (13552, 19290), (14146, 18480), (14520, 18004), (15432, 16940)]