261299520

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{593}}^1$

素因数の和:639

約数の個数: 280

約数和(自身を含む): 985823784

約数和(自身を除く): 724524264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 81, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 162, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 324, 340, 360, 405, 408, 432, 459, 480, 510, 540, 544, 576, 593, 612, 648, 680, 720, 765, 810, 816, 864, 918, 960, 1020, 1080, 1088, 1186, 1224, 1296, 1360, 1377, 1440, 1530, 1620, 1632, 1728, 1779, 1836, 2040, 2160, 2295, 2372, 2448, 2592, 2720, 2754, 2880, 2965, 3060, 3240, 3264, 3558, 3672, 4080, 4320, 4590, 4744, 4896, 5184, 5337, 5440, 5508, 5930, 6120, 6480, 6885, 7116, 7344, 8160, 8640, 8895, 9180, 9488, 9792, 10081, 10674, 11016, 11860, 12240, 12960, 13770, 14232, 14688, 16011, 16320, 17790, 18360, 18976, 20162, 21348, 22032, 23720, 24480, 25920, 26685, 27540, 28464, 29376, 30243, 32022, 35580, 36720, 37952, 40324, 42696, 44064, 47440, 48033, 48960, 50405, 53370, 55080, 56928, 60486, 64044, 71160, 73440, 80055, 80648, 85392, 88128, 90729, 94880, 96066, 100810, 106740, 110160, 113856, 120972, 128088, 142320, 146880, 151215, 160110, 161296, 170784, 181458, 189760, 192132, 201620, 213480, 220320, 240165, 241944, 256176, 272187, 284640, 302430, 320220, 322592, 341568, 362916, 384264, 403240, 426960, 440640, 453645, 480330, 483888, 512352, 544374, 569280, 604860, 640440, 645184, 725832, 768528, 806480, 816561, 853920, 907290, 960660, 967776, 1024704, 1088748, 1209720, 1280880, 1360935, 1451664, 1537056, 1612960, 1633122, 1707840, 1814580, 1921320, 1935552, 2177496, 2419440, 2561760, 2721870, 2903328, 3074112, 3225920, 3266244, 3629160, 3842640, 4082805, 4354992, 4838880, 5123520, 5443740, 5806656, 6532488, 7258320, 7685280, 8165610, 8709984, 9677760, 10887480, 13064976, 14516640, 15370560, 16331220, 17419968, 21774960, 26129952, 29033280, 32662440, 43549920, 52259904, 65324880, 87099840, 130649760, 261299520]

約数ペア:

[(1, 261299520), (2, 130649760), (3, 87099840), (4, 65324880), (5, 52259904), (6, 43549920), (8, 32662440), (9, 29033280), (10, 26129952), (12, 21774960), (15, 17419968), (16, 16331220), (17, 15370560), (18, 14516640), (20, 13064976), (24, 10887480), (27, 9677760), (30, 8709984), (32, 8165610), (34, 7685280), (36, 7258320), (40, 6532488), (45, 5806656), (48, 5443740), (51, 5123520), (54, 4838880), (60, 4354992), (64, 4082805), (68, 3842640), (72, 3629160), (80, 3266244), (81, 3225920), (85, 3074112), (90, 2903328), (96, 2721870), (102, 2561760), (108, 2419440), (120, 2177496), (135, 1935552), (136, 1921320), (144, 1814580), (153, 1707840), (160, 1633122), (162, 1612960), (170, 1537056), (180, 1451664), (192, 1360935), (204, 1280880), (216, 1209720), (240, 1088748), (255, 1024704), (270, 967776), (272, 960660), (288, 907290), (306, 853920), (320, 816561), (324, 806480), (340, 768528), (360, 725832), (405, 645184), (408, 640440), (432, 604860), (459, 569280), (480, 544374), (510, 512352), (540, 483888), (544, 480330), (576, 453645), (593, 440640), (612, 426960), (648, 403240), (680, 384264), (720, 362916), (765, 341568), (810, 322592), (816, 320220), (864, 302430), (918, 284640), (960, 272187), (1020, 256176), (1080, 241944), (1088, 240165), (1186, 220320), (1224, 213480), (1296, 201620), (1360, 192132), (1377, 189760), (1440, 181458), (1530, 170784), (1620, 161296), (1632, 160110), (1728, 151215), (1779, 146880), (1836, 142320), (2040, 128088), (2160, 120972), (2295, 113856), (2372, 110160), (2448, 106740), (2592, 100810), (2720, 96066), (2754, 94880), (2880, 90729), (2965, 88128), (3060, 85392), (3240, 80648), (3264, 80055), (3558, 73440), (3672, 71160), (4080, 64044), (4320, 60486), (4590, 56928), (4744, 55080), (4896, 53370), (5184, 50405), (5337, 48960), (5440, 48033), (5508, 47440), (5930, 44064), (6120, 42696), (6480, 40324), (6885, 37952), (7116, 36720), (7344, 35580), (8160, 32022), (8640, 30243), (8895, 29376), (9180, 28464), (9488, 27540), (9792, 26685), (10081, 25920), (10674, 24480), (11016, 23720), (11860, 22032), (12240, 21348), (12960, 20162), (13770, 18976), (14232, 18360), (14688, 17790), (16011, 16320)]