20519694960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{85243}}^1$

素因数の和:85335

約数の個数: 160

約数和(自身を含む): 68495258880

約数和(自身を除く): 47975563920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 59, 60, 68, 80, 85, 102, 118, 120, 136, 170, 177, 204, 236, 240, 255, 272, 295, 340, 354, 408, 472, 510, 590, 680, 708, 816, 885, 944, 1003, 1020, 1180, 1360, 1416, 1770, 2006, 2040, 2360, 2832, 3009, 3540, 4012, 4080, 4720, 5015, 6018, 7080, 8024, 10030, 12036, 14160, 15045, 16048, 20060, 24072, 30090, 40120, 48144, 60180, 80240, 85243, 120360, 170486, 240720, 255729, 340972, 426215, 511458, 681944, 852430, 1022916, 1278645, 1363888, 1449131, 1704860, 2045832, 2557290, 2898262, 3409720, 4091664, 4347393, 5029337, 5114580, 5796524, 6819440, 7245655, 8694786, 10058674, 10229160, 11593048, 14491310, 15088011, 17389572, 20117348, 20458320, 21736965, 23186096, 25146685, 28982620, 30176022, 34779144, 40234696, 43473930, 50293370, 57965240, 60352044, 69558288, 75440055, 80469392, 85498729, 86947860, 100586740, 115930480, 120704088, 150880110, 170997458, 173895720, 201173480, 241408176, 256496187, 301760220, 341994916, 347791440, 402346960, 427493645, 512992374, 603520440, 683989832, 854987290, 1025984748, 1207040880, 1282480935, 1367979664, 1709974580, 2051969496, 2564961870, 3419949160, 4103938992, 5129923740, 6839898320, 10259847480, 20519694960]

約数ペア:

[(1, 20519694960), (2, 10259847480), (3, 6839898320), (4, 5129923740), (5, 4103938992), (6, 3419949160), (8, 2564961870), (10, 2051969496), (12, 1709974580), (15, 1367979664), (16, 1282480935), (17, 1207040880), (20, 1025984748), (24, 854987290), (30, 683989832), (34, 603520440), (40, 512992374), (48, 427493645), (51, 402346960), (59, 347791440), (60, 341994916), (68, 301760220), (80, 256496187), (85, 241408176), (102, 201173480), (118, 173895720), (120, 170997458), (136, 150880110), (170, 120704088), (177, 115930480), (204, 100586740), (236, 86947860), (240, 85498729), (255, 80469392), (272, 75440055), (295, 69558288), (340, 60352044), (354, 57965240), (408, 50293370), (472, 43473930), (510, 40234696), (590, 34779144), (680, 30176022), (708, 28982620), (816, 25146685), (885, 23186096), (944, 21736965), (1003, 20458320), (1020, 20117348), (1180, 17389572), (1360, 15088011), (1416, 14491310), (1770, 11593048), (2006, 10229160), (2040, 10058674), (2360, 8694786), (2832, 7245655), (3009, 6819440), (3540, 5796524), (4012, 5114580), (4080, 5029337), (4720, 4347393), (5015, 4091664), (6018, 3409720), (7080, 2898262), (8024, 2557290), (10030, 2045832), (12036, 1704860), (14160, 1449131), (15045, 1363888), (16048, 1278645), (20060, 1022916), (24072, 852430), (30090, 681944), (40120, 511458), (48144, 426215), (60180, 340972), (80240, 255729), (85243, 240720), (120360, 170486)]