20858709600

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{31151}}^1$

素因数の和:31211

約数の個数: 288

約数和(自身を含む): 77875015680

約数和(自身を除く): 57016306080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 31, 32, 36, 40, 45, 48, 50, 54, 60, 62, 72, 75, 80, 90, 93, 96, 100, 108, 120, 124, 135, 144, 150, 155, 160, 180, 186, 200, 216, 225, 240, 248, 270, 279, 288, 300, 310, 360, 372, 400, 432, 450, 465, 480, 496, 540, 558, 600, 620, 675, 720, 744, 775, 800, 837, 864, 900, 930, 992, 1080, 1116, 1200, 1240, 1350, 1395, 1440, 1488, 1550, 1674, 1800, 1860, 2160, 2232, 2325, 2400, 2480, 2700, 2790, 2976, 3100, 3348, 3600, 3720, 4185, 4320, 4464, 4650, 4960, 5400, 5580, 6200, 6696, 6975, 7200, 7440, 8370, 8928, 9300, 10800, 11160, 12400, 13392, 13950, 14880, 16740, 18600, 20925, 21600, 22320, 24800, 26784, 27900, 31151, 33480, 37200, 41850, 44640, 55800, 62302, 66960, 74400, 83700, 93453, 111600, 124604, 133920, 155755, 167400, 186906, 223200, 249208, 280359, 311510, 334800, 373812, 467265, 498416, 560718, 623020, 669600, 747624, 778775, 841077, 934530, 965681, 996832, 1121436, 1246040, 1401795, 1495248, 1557550, 1682154, 1869060, 1931362, 2242872, 2336325, 2492080, 2803590, 2897043, 2990496, 3115100, 3364308, 3738120, 3862724, 4205385, 4485744, 4672650, 4828405, 4984160, 5607180, 5794086, 6230200, 6728616, 7008975, 7476240, 7725448, 8410770, 8691129, 8971488, 9345300, 9656810, 11214360, 11588172, 12460400, 13457232, 14017950, 14485215, 14952480, 15450896, 16821540, 17382258, 18690600, 19313620, 21026925, 22428720, 23176344, 24142025, 24920800, 26073387, 26914464, 28035900, 28970430, 30901792, 33643080, 34764516, 37381200, 38627240, 42053850, 43455645, 44857440, 46352688, 48284050, 52146774, 56071800, 57940860, 67286160, 69529032, 72426075, 74762400, 77254480, 84107700, 86911290, 92705376, 96568100, 104293548, 112143600, 115881720, 130366935, 134572320, 139058064, 144852150, 154508960, 168215400, 173822580, 193136200, 208587096, 217278225, 224287200, 231763440, 260733870, 278116128, 289704300, 336430800, 347645160, 386272400, 417174192, 434556450, 463526880, 521467740, 579408600, 651834675, 672861600, 695290320, 772544800, 834348384, 869112900, 1042935480, 1158817200, 1303669350, 1390580640, 1738225800, 2085870960, 2317634400, 2607338700, 3476451600, 4171741920, 5214677400, 6952903200, 10429354800, 20858709600]

約数ペア:

[(1, 20858709600), (2, 10429354800), (3, 6952903200), (4, 5214677400), (5, 4171741920), (6, 3476451600), (8, 2607338700), (9, 2317634400), (10, 2085870960), (12, 1738225800), (15, 1390580640), (16, 1303669350), (18, 1158817200), (20, 1042935480), (24, 869112900), (25, 834348384), (27, 772544800), (30, 695290320), (31, 672861600), (32, 651834675), (36, 579408600), (40, 521467740), (45, 463526880), (48, 434556450), (50, 417174192), (54, 386272400), (60, 347645160), (62, 336430800), (72, 289704300), (75, 278116128), (80, 260733870), (90, 231763440), (93, 224287200), (96, 217278225), (100, 208587096), (108, 193136200), (120, 173822580), (124, 168215400), (135, 154508960), (144, 144852150), (150, 139058064), (155, 134572320), (160, 130366935), (180, 115881720), (186, 112143600), (200, 104293548), (216, 96568100), (225, 92705376), (240, 86911290), (248, 84107700), (270, 77254480), (279, 74762400), (288, 72426075), (300, 69529032), (310, 67286160), (360, 57940860), (372, 56071800), (400, 52146774), (432, 48284050), (450, 46352688), (465, 44857440), (480, 43455645), (496, 42053850), (540, 38627240), (558, 37381200), (600, 34764516), (620, 33643080), (675, 30901792), (720, 28970430), (744, 28035900), (775, 26914464), (800, 26073387), (837, 24920800), (864, 24142025), (900, 23176344), (930, 22428720), (992, 21026925), (1080, 19313620), (1116, 18690600), (1200, 17382258), (1240, 16821540), (1350, 15450896), (1395, 14952480), (1440, 14485215), (1488, 14017950), (1550, 13457232), (1674, 12460400), (1800, 11588172), (1860, 11214360), (2160, 9656810), (2232, 9345300), (2325, 8971488), (2400, 8691129), (2480, 8410770), (2700, 7725448), (2790, 7476240), (2976, 7008975), (3100, 6728616), (3348, 6230200), (3600, 5794086), (3720, 5607180), (4185, 4984160), (4320, 4828405), (4464, 4672650), (4650, 4485744), (4960, 4205385), (5400, 3862724), (5580, 3738120), (6200, 3364308), (6696, 3115100), (6975, 2990496), (7200, 2897043), (7440, 2803590), (8370, 2492080), (8928, 2336325), (9300, 2242872), (10800, 1931362), (11160, 1869060), (12400, 1682154), (13392, 1557550), (13950, 1495248), (14880, 1401795), (16740, 1246040), (18600, 1121436), (20925, 996832), (21600, 965681), (22320, 934530), (24800, 841077), (26784, 778775), (27900, 747624), (31151, 669600), (33480, 623020), (37200, 560718), (41850, 498416), (44640, 467265), (55800, 373812), (62302, 334800), (66960, 311510), (74400, 280359), (83700, 249208), (93453, 223200), (111600, 186906), (124604, 167400), (133920, 155755)]