21291685920

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{10079}}^1$

素因数の和:10269

約数の個数: 240

約数和(自身を含む): 75610402560

約数和(自身を除く): 54318716640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 163, 180, 216, 240, 270, 288, 324, 326, 360, 405, 432, 480, 489, 540, 648, 652, 720, 810, 815, 864, 978, 1080, 1296, 1304, 1440, 1467, 1620, 1630, 1956, 2160, 2445, 2592, 2608, 2934, 3240, 3260, 3912, 4320, 4401, 4890, 5216, 5868, 6480, 6520, 7335, 7824, 8802, 9780, 10079, 11736, 12960, 13040, 13203, 14670, 15648, 17604, 19560, 20158, 22005, 23472, 26080, 26406, 29340, 30237, 35208, 39120, 40316, 44010, 46944, 50395, 52812, 58680, 60474, 66015, 70416, 78240, 80632, 88020, 90711, 100790, 105624, 117360, 120948, 132030, 140832, 151185, 161264, 176040, 181422, 201580, 211248, 234720, 241896, 264060, 272133, 302370, 322528, 352080, 362844, 403160, 422496, 453555, 483792, 528120, 544266, 604740, 704160, 725688, 806320, 816399, 907110, 967584, 1056240, 1088532, 1209480, 1360665, 1451376, 1612640, 1632798, 1642877, 1814220, 2112480, 2177064, 2418960, 2721330, 2902752, 3265596, 3285754, 3628440, 4081995, 4354128, 4837920, 4928631, 5442660, 6531192, 6571508, 7256880, 8163990, 8214385, 8708256, 9857262, 10885320, 13062384, 13143016, 14513760, 14785893, 16327980, 16428770, 19714524, 21770640, 24643155, 26124768, 26286032, 29571786, 32655960, 32857540, 39429048, 43541280, 44357679, 49286310, 52572064, 59143572, 65311920, 65715080, 73929465, 78858096, 88715358, 98572620, 118287144, 130623840, 131430160, 133073037, 147858930, 157716192, 177430716, 197145240, 221788395, 236574288, 262860320, 266146074, 295717860, 354861432, 394290480, 443576790, 473148576, 532292148, 591435720, 665365185, 709722864, 788580960, 887153580, 1064584296, 1182871440, 1330730370, 1419445728, 1774307160, 2129168592, 2365742880, 2661460740, 3548614320, 4258337184, 5322921480, 7097228640, 10645842960, 21291685920]

約数ペア:

[(1, 21291685920), (2, 10645842960), (3, 7097228640), (4, 5322921480), (5, 4258337184), (6, 3548614320), (8, 2661460740), (9, 2365742880), (10, 2129168592), (12, 1774307160), (15, 1419445728), (16, 1330730370), (18, 1182871440), (20, 1064584296), (24, 887153580), (27, 788580960), (30, 709722864), (32, 665365185), (36, 591435720), (40, 532292148), (45, 473148576), (48, 443576790), (54, 394290480), (60, 354861432), (72, 295717860), (80, 266146074), (81, 262860320), (90, 236574288), (96, 221788395), (108, 197145240), (120, 177430716), (135, 157716192), (144, 147858930), (160, 133073037), (162, 131430160), (163, 130623840), (180, 118287144), (216, 98572620), (240, 88715358), (270, 78858096), (288, 73929465), (324, 65715080), (326, 65311920), (360, 59143572), (405, 52572064), (432, 49286310), (480, 44357679), (489, 43541280), (540, 39429048), (648, 32857540), (652, 32655960), (720, 29571786), (810, 26286032), (815, 26124768), (864, 24643155), (978, 21770640), (1080, 19714524), (1296, 16428770), (1304, 16327980), (1440, 14785893), (1467, 14513760), (1620, 13143016), (1630, 13062384), (1956, 10885320), (2160, 9857262), (2445, 8708256), (2592, 8214385), (2608, 8163990), (2934, 7256880), (3240, 6571508), (3260, 6531192), (3912, 5442660), (4320, 4928631), (4401, 4837920), (4890, 4354128), (5216, 4081995), (5868, 3628440), (6480, 3285754), (6520, 3265596), (7335, 2902752), (7824, 2721330), (8802, 2418960), (9780, 2177064), (10079, 2112480), (11736, 1814220), (12960, 1642877), (13040, 1632798), (13203, 1612640), (14670, 1451376), (15648, 1360665), (17604, 1209480), (19560, 1088532), (20158, 1056240), (22005, 967584), (23472, 907110), (26080, 816399), (26406, 806320), (29340, 725688), (30237, 704160), (35208, 604740), (39120, 544266), (40316, 528120), (44010, 483792), (46944, 453555), (50395, 422496), (52812, 403160), (58680, 362844), (60474, 352080), (66015, 322528), (70416, 302370), (78240, 272133), (80632, 264060), (88020, 241896), (90711, 234720), (100790, 211248), (105624, 201580), (117360, 181422), (120948, 176040), (132030, 161264), (140832, 151185)]