2921781240

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20341}}^1$

素因数の和:20387

約数の個数: 256

約数和(自身を含む): 11716992000

約数和(自身を除く): 8795210760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1596, 1710, 1890, 1995, 2052, 2280, 2394, 2520, 2565, 2660, 3192, 3420, 3591, 3780, 3990, 4104, 4788, 5130, 5320, 5985, 6840, 7182, 7560, 7980, 9576, 10260, 11970, 14364, 15960, 17955, 20341, 20520, 23940, 28728, 35910, 40682, 47880, 61023, 71820, 81364, 101705, 122046, 142387, 143640, 162728, 183069, 203410, 244092, 284774, 305115, 366138, 386479, 406820, 427161, 488184, 549207, 569548, 610230, 711935, 732276, 772958, 813640, 854322, 915345, 1098414, 1139096, 1159437, 1220460, 1281483, 1423870, 1464552, 1545916, 1708644, 1830690, 1932395, 2135805, 2196828, 2318874, 2440920, 2562966, 2705353, 2746035, 2847740, 3091832, 3417288, 3478311, 3661380, 3844449, 3864790, 4271610, 4393656, 4637748, 5125932, 5410706, 5492070, 5695480, 5797185, 6407415, 6956622, 7322760, 7688898, 7729580, 8116059, 8543220, 9275496, 10251864, 10434933, 10821412, 10984140, 11594370, 12814830, 13526765, 13913244, 15377796, 15459160, 16232118, 17086440, 17391555, 19222245, 20869866, 21642824, 21968280, 23188740, 24348177, 25629660, 27053530, 27826488, 30755592, 32464236, 34783110, 38444490, 40580295, 41739732, 46377480, 48696354, 51259320, 52174665, 54107060, 64928472, 69566220, 73044531, 76888980, 81160590, 83479464, 97392708, 104349330, 108214120, 121740885, 139132440, 146089062, 153777960, 162321180, 194785416, 208698660, 243481770, 292178124, 324642360, 365222655, 417397320, 486963540, 584356248, 730445310, 973927080, 1460890620, 2921781240]

約数ペア:

[(1, 2921781240), (2, 1460890620), (3, 973927080), (4, 730445310), (5, 584356248), (6, 486963540), (7, 417397320), (8, 365222655), (9, 324642360), (10, 292178124), (12, 243481770), (14, 208698660), (15, 194785416), (18, 162321180), (19, 153777960), (20, 146089062), (21, 139132440), (24, 121740885), (27, 108214120), (28, 104349330), (30, 97392708), (35, 83479464), (36, 81160590), (38, 76888980), (40, 73044531), (42, 69566220), (45, 64928472), (54, 54107060), (56, 52174665), (57, 51259320), (60, 48696354), (63, 46377480), (70, 41739732), (72, 40580295), (76, 38444490), (84, 34783110), (90, 32464236), (95, 30755592), (105, 27826488), (108, 27053530), (114, 25629660), (120, 24348177), (126, 23188740), (133, 21968280), (135, 21642824), (140, 20869866), (152, 19222245), (168, 17391555), (171, 17086440), (180, 16232118), (189, 15459160), (190, 15377796), (210, 13913244), (216, 13526765), (228, 12814830), (252, 11594370), (266, 10984140), (270, 10821412), (280, 10434933), (285, 10251864), (315, 9275496), (342, 8543220), (360, 8116059), (378, 7729580), (380, 7688898), (399, 7322760), (420, 6956622), (456, 6407415), (504, 5797185), (513, 5695480), (532, 5492070), (540, 5410706), (570, 5125932), (630, 4637748), (665, 4393656), (684, 4271610), (756, 3864790), (760, 3844449), (798, 3661380), (840, 3478311), (855, 3417288), (945, 3091832), (1026, 2847740), (1064, 2746035), (1080, 2705353), (1140, 2562966), (1197, 2440920), (1260, 2318874), (1330, 2196828), (1368, 2135805), (1512, 1932395), (1596, 1830690), (1710, 1708644), (1890, 1545916), (1995, 1464552), (2052, 1423870), (2280, 1281483), (2394, 1220460), (2520, 1159437), (2565, 1139096), (2660, 1098414), (3192, 915345), (3420, 854322), (3591, 813640), (3780, 772958), (3990, 732276), (4104, 711935), (4788, 610230), (5130, 569548), (5320, 549207), (5985, 488184), (6840, 427161), (7182, 406820), (7560, 386479), (7980, 366138), (9576, 305115), (10260, 284774), (11970, 244092), (14364, 203410), (15960, 183069), (17955, 162728), (20341, 143640), (20520, 142387), (23940, 122046), (28728, 101705), (35910, 81364), (40682, 71820), (47880, 61023)]