20686979520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{231709}}^1$

素因数の和:231763

約数の個数: 168

約数和(自身を含む): 73450216320

約数和(自身を除く): 52763236800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 465, 480, 496, 558, 576, 620, 720, 744, 930, 960, 992, 1116, 1240, 1395, 1440, 1488, 1860, 1984, 2232, 2480, 2790, 2880, 2976, 3720, 4464, 4960, 5580, 5952, 7440, 8928, 9920, 11160, 14880, 17856, 22320, 29760, 44640, 89280, 231709, 463418, 695127, 926836, 1158545, 1390254, 1853672, 2085381, 2317090, 2780508, 3475635, 3707344, 4170762, 4634180, 5561016, 6951270, 7182979, 7414688, 8341524, 9268360, 10426905, 11122032, 13902540, 14365958, 14829376, 16683048, 18536720, 20853810, 21548937, 22244064, 27805080, 28731916, 33366096, 35914895, 37073440, 41707620, 43097874, 44488128, 55610160, 57463832, 64646811, 66732192, 71829790, 74146880, 83415240, 86195748, 107744685, 111220320, 114927664, 129293622, 133464384, 143659580, 166830480, 172391496, 215489370, 222440640, 229855328, 258587244, 287319160, 323234055, 333660960, 344782992, 430978740, 459710656, 517174488, 574638320, 646468110, 667321920, 689565984, 861957480, 1034348976, 1149276640, 1292936220, 1379131968, 1723914960, 2068697952, 2298553280, 2585872440, 3447829920, 4137395904, 5171744880, 6895659840, 10343489760, 20686979520]

約数ペア:

[(1, 20686979520), (2, 10343489760), (3, 6895659840), (4, 5171744880), (5, 4137395904), (6, 3447829920), (8, 2585872440), (9, 2298553280), (10, 2068697952), (12, 1723914960), (15, 1379131968), (16, 1292936220), (18, 1149276640), (20, 1034348976), (24, 861957480), (30, 689565984), (31, 667321920), (32, 646468110), (36, 574638320), (40, 517174488), (45, 459710656), (48, 430978740), (60, 344782992), (62, 333660960), (64, 323234055), (72, 287319160), (80, 258587244), (90, 229855328), (93, 222440640), (96, 215489370), (120, 172391496), (124, 166830480), (144, 143659580), (155, 133464384), (160, 129293622), (180, 114927664), (186, 111220320), (192, 107744685), (240, 86195748), (248, 83415240), (279, 74146880), (288, 71829790), (310, 66732192), (320, 64646811), (360, 57463832), (372, 55610160), (465, 44488128), (480, 43097874), (496, 41707620), (558, 37073440), (576, 35914895), (620, 33366096), (720, 28731916), (744, 27805080), (930, 22244064), (960, 21548937), (992, 20853810), (1116, 18536720), (1240, 16683048), (1395, 14829376), (1440, 14365958), (1488, 13902540), (1860, 11122032), (1984, 10426905), (2232, 9268360), (2480, 8341524), (2790, 7414688), (2880, 7182979), (2976, 6951270), (3720, 5561016), (4464, 4634180), (4960, 4170762), (5580, 3707344), (5952, 3475635), (7440, 2780508), (8928, 2317090), (9920, 2085381), (11160, 1853672), (14880, 1390254), (17856, 1158545), (22320, 926836), (29760, 695127), (44640, 463418), (89280, 231709)]