21807182880

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{240379}}^1$

素因数の和:240413

約数の個数: 240

約数和(自身を含む): 87956003520

約数和(自身を除く): 66148820640

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, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7560, 9072, 10080, 11340, 12960, 15120, 18144, 22680, 30240, 45360, 90720, 240379, 480758, 721137, 961516, 1201895, 1442274, 1682653, 1923032, 2163411, 2403790, 2884548, 3365306, 3605685, 3846064, 4326822, 4807580, 5047959, 5769096, 6490233, 6730612, 7211370, 7692128, 8413265, 8653644, 9615160, 10095918, 10817055, 11538192, 12980466, 13461224, 14422740, 15143877, 16826530, 17307288, 19230320, 19470699, 20191836, 21634110, 23076384, 25239795, 25960932, 26922448, 28845480, 30287754, 32451165, 33653060, 34614576, 38460640, 38941398, 40383672, 43268220, 45431631, 50479590, 51921864, 53844896, 57690960, 60575508, 64902330, 67306120, 69229152, 75719385, 77882796, 80767344, 86536440, 90863262, 97353495, 100959180, 103843728, 115381920, 121151016, 129804660, 134612240, 136294893, 151438770, 155765592, 161534688, 173072880, 181726524, 194706990, 201918360, 207687456, 227158155, 242302032, 259609320, 269224480, 272589786, 302877540, 311531184, 346145760, 363453048, 389413980, 403836720, 454316310, 484604064, 519218640, 545179572, 605755080, 623062368, 681474465, 726906096, 778827960, 807673440, 908632620, 1038437280, 1090359144, 1211510160, 1362948930, 1453812192, 1557655920, 1817265240, 2180718288, 2423020320, 2725897860, 3115311840, 3634530480, 4361436576, 5451795720, 7269060960, 10903591440, 21807182880]

約数ペア:

[(1, 21807182880), (2, 10903591440), (3, 7269060960), (4, 5451795720), (5, 4361436576), (6, 3634530480), (7, 3115311840), (8, 2725897860), (9, 2423020320), (10, 2180718288), (12, 1817265240), (14, 1557655920), (15, 1453812192), (16, 1362948930), (18, 1211510160), (20, 1090359144), (21, 1038437280), (24, 908632620), (27, 807673440), (28, 778827960), (30, 726906096), (32, 681474465), (35, 623062368), (36, 605755080), (40, 545179572), (42, 519218640), (45, 484604064), (48, 454316310), (54, 403836720), (56, 389413980), (60, 363453048), (63, 346145760), (70, 311531184), (72, 302877540), (80, 272589786), (81, 269224480), (84, 259609320), (90, 242302032), (96, 227158155), (105, 207687456), (108, 201918360), (112, 194706990), (120, 181726524), (126, 173072880), (135, 161534688), (140, 155765592), (144, 151438770), (160, 136294893), (162, 134612240), (168, 129804660), (180, 121151016), (189, 115381920), (210, 103843728), (216, 100959180), (224, 97353495), (240, 90863262), (252, 86536440), (270, 80767344), (280, 77882796), (288, 75719385), (315, 69229152), (324, 67306120), (336, 64902330), (360, 60575508), (378, 57690960), (405, 53844896), (420, 51921864), (432, 50479590), (480, 45431631), (504, 43268220), (540, 40383672), (560, 38941398), (567, 38460640), (630, 34614576), (648, 33653060), (672, 32451165), (720, 30287754), (756, 28845480), (810, 26922448), (840, 25960932), (864, 25239795), (945, 23076384), (1008, 21634110), (1080, 20191836), (1120, 19470699), (1134, 19230320), (1260, 17307288), (1296, 16826530), (1440, 15143877), (1512, 14422740), (1620, 13461224), (1680, 12980466), (1890, 11538192), (2016, 10817055), (2160, 10095918), (2268, 9615160), (2520, 8653644), (2592, 8413265), (2835, 7692128), (3024, 7211370), (3240, 6730612), (3360, 6490233), (3780, 5769096), (4320, 5047959), (4536, 4807580), (5040, 4326822), (5670, 3846064), (6048, 3605685), (6480, 3365306), (7560, 2884548), (9072, 2403790), (10080, 2163411), (11340, 1923032), (12960, 1682653), (15120, 1442274), (18144, 1201895), (22680, 961516), (30240, 721137), (45360, 480758), (90720, 240379)]