20994694560

素因数分解:

$2^5\times 3^5\times 5^1\times 7^1\times {\mathrm{77141}}^1$

素因数の和:77178

約数の個数: 288

約数和(自身を含む): 84912976512

約数和(自身を除く): 63918281952

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 243, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 486, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 972, 1008, 1080, 1120, 1134, 1215, 1260, 1296, 1440, 1512, 1620, 1680, 1701, 1890, 1944, 2016, 2160, 2268, 2430, 2520, 2592, 2835, 3024, 3240, 3360, 3402, 3780, 3888, 4320, 4536, 4860, 5040, 5670, 6048, 6480, 6804, 7560, 7776, 8505, 9072, 9720, 10080, 11340, 12960, 13608, 15120, 17010, 18144, 19440, 22680, 27216, 30240, 34020, 38880, 45360, 54432, 68040, 77141, 90720, 136080, 154282, 231423, 272160, 308564, 385705, 462846, 539987, 617128, 694269, 771410, 925692, 1079974, 1157115, 1234256, 1388538, 1542820, 1619961, 1851384, 2082807, 2159948, 2314230, 2468512, 2699935, 2777076, 3085640, 3239922, 3471345, 3702768, 4165614, 4319896, 4628460, 4859883, 5399870, 5554152, 6171280, 6248421, 6479844, 6942690, 7405536, 8099805, 8331228, 8639792, 9256920, 9719766, 10414035, 10799740, 11108304, 12342560, 12496842, 12959688, 13885380, 14579649, 16199610, 16662456, 17279584, 18513840, 18745263, 19439532, 20828070, 21599480, 22216608, 24299415, 24993684, 25919376, 27770760, 29159298, 31242105, 32399220, 33324912, 37027680, 37490526, 38879064, 41656140, 43198960, 43738947, 48598830, 49987368, 51838752, 55541520, 58318596, 62484210, 64798440, 66649824, 72898245, 74981052, 77758128, 83312280, 86397920, 87477894, 93726315, 97197660, 99974736, 111083040, 116637192, 124968420, 129596880, 131216841, 145796490, 149962104, 155516256, 166624560, 174955788, 187452630, 194395320, 199949472, 218694735, 233274384, 249936840, 259193760, 262433682, 291592980, 299924208, 333249120, 349911576, 374905260, 388790640, 437389470, 466548768, 499873680, 524867364, 583185960, 599848416, 656084205, 699823152, 749810520, 777581280, 874778940, 999747360, 1049734728, 1166371920, 1312168410, 1399646304, 1499621040, 1749557880, 2099469456, 2332743840, 2624336820, 2999242080, 3499115760, 4198938912, 5248673640, 6998231520, 10497347280, 20994694560]

約数ペア:

[(1, 20994694560), (2, 10497347280), (3, 6998231520), (4, 5248673640), (5, 4198938912), (6, 3499115760), (7, 2999242080), (8, 2624336820), (9, 2332743840), (10, 2099469456), (12, 1749557880), (14, 1499621040), (15, 1399646304), (16, 1312168410), (18, 1166371920), (20, 1049734728), (21, 999747360), (24, 874778940), (27, 777581280), (28, 749810520), (30, 699823152), (32, 656084205), (35, 599848416), (36, 583185960), (40, 524867364), (42, 499873680), (45, 466548768), (48, 437389470), (54, 388790640), (56, 374905260), (60, 349911576), (63, 333249120), (70, 299924208), (72, 291592980), (80, 262433682), (81, 259193760), (84, 249936840), (90, 233274384), (96, 218694735), (105, 199949472), (108, 194395320), (112, 187452630), (120, 174955788), (126, 166624560), (135, 155516256), (140, 149962104), (144, 145796490), (160, 131216841), (162, 129596880), (168, 124968420), (180, 116637192), (189, 111083040), (210, 99974736), (216, 97197660), (224, 93726315), (240, 87477894), (243, 86397920), (252, 83312280), (270, 77758128), (280, 74981052), (288, 72898245), (315, 66649824), (324, 64798440), (336, 62484210), (360, 58318596), (378, 55541520), (405, 51838752), (420, 49987368), (432, 48598830), (480, 43738947), (486, 43198960), (504, 41656140), (540, 38879064), (560, 37490526), (567, 37027680), (630, 33324912), (648, 32399220), (672, 31242105), (720, 29159298), (756, 27770760), (810, 25919376), (840, 24993684), (864, 24299415), (945, 22216608), (972, 21599480), (1008, 20828070), (1080, 19439532), (1120, 18745263), (1134, 18513840), (1215, 17279584), (1260, 16662456), (1296, 16199610), (1440, 14579649), (1512, 13885380), (1620, 12959688), (1680, 12496842), (1701, 12342560), (1890, 11108304), (1944, 10799740), (2016, 10414035), (2160, 9719766), (2268, 9256920), (2430, 8639792), (2520, 8331228), (2592, 8099805), (2835, 7405536), (3024, 6942690), (3240, 6479844), (3360, 6248421), (3402, 6171280), (3780, 5554152), (3888, 5399870), (4320, 4859883), (4536, 4628460), (4860, 4319896), (5040, 4165614), (5670, 3702768), (6048, 3471345), (6480, 3239922), (6804, 3085640), (7560, 2777076), (7776, 2699935), (8505, 2468512), (9072, 2314230), (9720, 2159948), (10080, 2082807), (11340, 1851384), (12960, 1619961), (13608, 1542820), (15120, 1388538), (17010, 1234256), (18144, 1157115), (19440, 1079974), (22680, 925692), (27216, 771410), (30240, 694269), (34020, 617128), (38880, 539987), (45360, 462846), (54432, 385705), (68040, 308564), (77141, 272160), (90720, 231423), (136080, 154282)]