21790278720

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{360289}}^1$

素因数の和:360322

約数の個数: 224

約数和(自身を含む): 87853113600

約数和(自身を除く): 66062834880

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, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4320, 5040, 6048, 6720, 7560, 8640, 10080, 12096, 15120, 20160, 30240, 60480, 360289, 720578, 1080867, 1441156, 1801445, 2161734, 2522023, 2882312, 3242601, 3602890, 4323468, 5044046, 5404335, 5764624, 6485202, 7205780, 7566069, 8646936, 9727803, 10088092, 10808670, 11529248, 12610115, 12970404, 14411560, 15132138, 16213005, 17293872, 19455606, 20176184, 21617340, 22698207, 23058496, 25220230, 25940808, 28823120, 30264276, 32426010, 34587744, 37830345, 38911212, 40352368, 43234680, 45396414, 48639015, 50440460, 51881616, 57646240, 60528552, 64852020, 68094621, 69175488, 75660690, 77822424, 80704736, 86469360, 90792828, 97278030, 100880920, 103763232, 113491035, 115292480, 121057104, 129704040, 136189242, 151321380, 155644848, 161409472, 172938720, 181585656, 194556060, 201761840, 207526464, 226982070, 242114208, 259408080, 272378484, 302642760, 311289696, 340473105, 345877440, 363171312, 389112120, 403523680, 453964140, 484228416, 518816160, 544756968, 605285520, 622579392, 680946210, 726342624, 778224240, 807047360, 907928280, 1037632320, 1089513936, 1210571040, 1361892420, 1452685248, 1556448480, 1815856560, 2179027872, 2421142080, 2723784840, 3112896960, 3631713120, 4358055744, 5447569680, 7263426240, 10895139360, 21790278720]

約数ペア:

[(1, 21790278720), (2, 10895139360), (3, 7263426240), (4, 5447569680), (5, 4358055744), (6, 3631713120), (7, 3112896960), (8, 2723784840), (9, 2421142080), (10, 2179027872), (12, 1815856560), (14, 1556448480), (15, 1452685248), (16, 1361892420), (18, 1210571040), (20, 1089513936), (21, 1037632320), (24, 907928280), (27, 807047360), (28, 778224240), (30, 726342624), (32, 680946210), (35, 622579392), (36, 605285520), (40, 544756968), (42, 518816160), (45, 484228416), (48, 453964140), (54, 403523680), (56, 389112120), (60, 363171312), (63, 345877440), (64, 340473105), (70, 311289696), (72, 302642760), (80, 272378484), (84, 259408080), (90, 242114208), (96, 226982070), (105, 207526464), (108, 201761840), (112, 194556060), (120, 181585656), (126, 172938720), (135, 161409472), (140, 155644848), (144, 151321380), (160, 136189242), (168, 129704040), (180, 121057104), (189, 115292480), (192, 113491035), (210, 103763232), (216, 100880920), (224, 97278030), (240, 90792828), (252, 86469360), (270, 80704736), (280, 77822424), (288, 75660690), (315, 69175488), (320, 68094621), (336, 64852020), (360, 60528552), (378, 57646240), (420, 51881616), (432, 50440460), (448, 48639015), (480, 45396414), (504, 43234680), (540, 40352368), (560, 38911212), (576, 37830345), (630, 34587744), (672, 32426010), (720, 30264276), (756, 28823120), (840, 25940808), (864, 25220230), (945, 23058496), (960, 22698207), (1008, 21617340), (1080, 20176184), (1120, 19455606), (1260, 17293872), (1344, 16213005), (1440, 15132138), (1512, 14411560), (1680, 12970404), (1728, 12610115), (1890, 11529248), (2016, 10808670), (2160, 10088092), (2240, 9727803), (2520, 8646936), (2880, 7566069), (3024, 7205780), (3360, 6485202), (3780, 5764624), (4032, 5404335), (4320, 5044046), (5040, 4323468), (6048, 3602890), (6720, 3242601), (7560, 2882312), (8640, 2522023), (10080, 2161734), (12096, 1801445), (15120, 1441156), (20160, 1080867), (30240, 720578), (60480, 360289)]