31890161280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{31517}}^1$

素因数の和:31587

約数の個数: 256

約数和(自身を含む): 111104732160

約数和(自身を除く): 79214570880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 32, 34, 40, 48, 51, 60, 62, 64, 68, 80, 85, 93, 96, 102, 120, 124, 128, 136, 155, 160, 170, 186, 192, 204, 240, 248, 255, 272, 310, 320, 340, 372, 384, 408, 465, 480, 496, 510, 527, 544, 620, 640, 680, 744, 816, 930, 960, 992, 1020, 1054, 1088, 1240, 1360, 1488, 1581, 1632, 1860, 1920, 1984, 2040, 2108, 2176, 2480, 2635, 2720, 2976, 3162, 3264, 3720, 3968, 4080, 4216, 4960, 5270, 5440, 5952, 6324, 6528, 7440, 7905, 8160, 8432, 9920, 10540, 10880, 11904, 12648, 14880, 15810, 16320, 16864, 19840, 21080, 25296, 29760, 31517, 31620, 32640, 33728, 42160, 50592, 59520, 63034, 63240, 67456, 84320, 94551, 101184, 126068, 126480, 157585, 168640, 189102, 202368, 252136, 252960, 315170, 337280, 378204, 472755, 504272, 505920, 535789, 630340, 756408, 945510, 977027, 1008544, 1011840, 1071578, 1260680, 1512816, 1607367, 1891020, 1954054, 2017088, 2143156, 2521360, 2678945, 2931081, 3025632, 3214734, 3782040, 3908108, 4034176, 4286312, 4885135, 5042720, 5357890, 5862162, 6051264, 6429468, 7564080, 7816216, 8036835, 8572624, 9770270, 10085440, 10715780, 11724324, 12102528, 12858936, 14655405, 15128160, 15632432, 16073670, 16609459, 17145248, 19540540, 20170880, 21431560, 23448648, 25717872, 29310810, 30256320, 31264864, 32147340, 33218918, 34290496, 39081080, 42863120, 46897296, 49828377, 51435744, 58621620, 60512640, 62529728, 64294680, 66437836, 68580992, 78162160, 83047295, 85726240, 93794592, 99656754, 102871488, 117243240, 125059456, 128589360, 132875672, 156324320, 166094590, 171452480, 187589184, 199313508, 205742976, 234486480, 249141885, 257178720, 265751344, 312648640, 332189180, 342904960, 375178368, 398627016, 468972960, 498283770, 514357440, 531502688, 625297280, 664378360, 797254032, 937945920, 996567540, 1028714880, 1063005376, 1328756720, 1594508064, 1875891840, 1993135080, 2126010752, 2657513440, 3189016128, 3986270160, 5315026880, 6378032256, 7972540320, 10630053760, 15945080640, 31890161280]

約数ペア:

[(1, 31890161280), (2, 15945080640), (3, 10630053760), (4, 7972540320), (5, 6378032256), (6, 5315026880), (8, 3986270160), (10, 3189016128), (12, 2657513440), (15, 2126010752), (16, 1993135080), (17, 1875891840), (20, 1594508064), (24, 1328756720), (30, 1063005376), (31, 1028714880), (32, 996567540), (34, 937945920), (40, 797254032), (48, 664378360), (51, 625297280), (60, 531502688), (62, 514357440), (64, 498283770), (68, 468972960), (80, 398627016), (85, 375178368), (93, 342904960), (96, 332189180), (102, 312648640), (120, 265751344), (124, 257178720), (128, 249141885), (136, 234486480), (155, 205742976), (160, 199313508), (170, 187589184), (186, 171452480), (192, 166094590), (204, 156324320), (240, 132875672), (248, 128589360), (255, 125059456), (272, 117243240), (310, 102871488), (320, 99656754), (340, 93794592), (372, 85726240), (384, 83047295), (408, 78162160), (465, 68580992), (480, 66437836), (496, 64294680), (510, 62529728), (527, 60512640), (544, 58621620), (620, 51435744), (640, 49828377), (680, 46897296), (744, 42863120), (816, 39081080), (930, 34290496), (960, 33218918), (992, 32147340), (1020, 31264864), (1054, 30256320), (1088, 29310810), (1240, 25717872), (1360, 23448648), (1488, 21431560), (1581, 20170880), (1632, 19540540), (1860, 17145248), (1920, 16609459), (1984, 16073670), (2040, 15632432), (2108, 15128160), (2176, 14655405), (2480, 12858936), (2635, 12102528), (2720, 11724324), (2976, 10715780), (3162, 10085440), (3264, 9770270), (3720, 8572624), (3968, 8036835), (4080, 7816216), (4216, 7564080), (4960, 6429468), (5270, 6051264), (5440, 5862162), (5952, 5357890), (6324, 5042720), (6528, 4885135), (7440, 4286312), (7905, 4034176), (8160, 3908108), (8432, 3782040), (9920, 3214734), (10540, 3025632), (10880, 2931081), (11904, 2678945), (12648, 2521360), (14880, 2143156), (15810, 2017088), (16320, 1954054), (16864, 1891020), (19840, 1607367), (21080, 1512816), (25296, 1260680), (29760, 1071578), (31517, 1011840), (31620, 1008544), (32640, 977027), (33728, 945510), (42160, 756408), (50592, 630340), (59520, 535789), (63034, 505920), (63240, 504272), (67456, 472755), (84320, 378204), (94551, 337280), (101184, 315170), (126068, 252960), (126480, 252136), (157585, 202368), (168640, 189102)]