20306492640

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{223837}}^1$

素因数の和:223871

約数の個数: 240

約数和(自身を含む): 81903219552

約数和(自身を除く): 61596726912

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, 223837, 447674, 671511, 895348, 1119185, 1343022, 1566859, 1790696, 2014533, 2238370, 2686044, 3133718, 3357555, 3581392, 4029066, 4476740, 4700577, 5372088, 6043599, 6267436, 6715110, 7162784, 7834295, 8058132, 8953480, 9401154, 10072665, 10744176, 12087198, 12534872, 13430220, 14101731, 15668590, 16116264, 17906960, 18130797, 18802308, 20145330, 21488352, 23502885, 24174396, 25069744, 26860440, 28203462, 30217995, 31337180, 32232528, 35813920, 36261594, 37604616, 40290660, 42305193, 47005770, 48348792, 50139488, 53720880, 56406924, 60435990, 62674360, 64465056, 70508655, 72523188, 75209232, 80581320, 84610386, 90653985, 94011540, 96697584, 107441760, 112813848, 120871980, 125348720, 126915579, 141017310, 145046376, 150418464, 161162640, 169220772, 181307970, 188023080, 193395168, 211525965, 225627696, 241743960, 250697440, 253831158, 282034620, 290092752, 322325280, 338441544, 362615940, 376046160, 423051930, 451255392, 483487920, 507662316, 564069240, 580185504, 634577895, 676883088, 725231880, 752092320, 846103860, 966975840, 1015324632, 1128138480, 1269155790, 1353766176, 1450463760, 1692207720, 2030649264, 2256276960, 2538311580, 2900927520, 3384415440, 4061298528, 5076623160, 6768830880, 10153246320, 20306492640]

約数ペア:

[(1, 20306492640), (2, 10153246320), (3, 6768830880), (4, 5076623160), (5, 4061298528), (6, 3384415440), (7, 2900927520), (8, 2538311580), (9, 2256276960), (10, 2030649264), (12, 1692207720), (14, 1450463760), (15, 1353766176), (16, 1269155790), (18, 1128138480), (20, 1015324632), (21, 966975840), (24, 846103860), (27, 752092320), (28, 725231880), (30, 676883088), (32, 634577895), (35, 580185504), (36, 564069240), (40, 507662316), (42, 483487920), (45, 451255392), (48, 423051930), (54, 376046160), (56, 362615940), (60, 338441544), (63, 322325280), (70, 290092752), (72, 282034620), (80, 253831158), (81, 250697440), (84, 241743960), (90, 225627696), (96, 211525965), (105, 193395168), (108, 188023080), (112, 181307970), (120, 169220772), (126, 161162640), (135, 150418464), (140, 145046376), (144, 141017310), (160, 126915579), (162, 125348720), (168, 120871980), (180, 112813848), (189, 107441760), (210, 96697584), (216, 94011540), (224, 90653985), (240, 84610386), (252, 80581320), (270, 75209232), (280, 72523188), (288, 70508655), (315, 64465056), (324, 62674360), (336, 60435990), (360, 56406924), (378, 53720880), (405, 50139488), (420, 48348792), (432, 47005770), (480, 42305193), (504, 40290660), (540, 37604616), (560, 36261594), (567, 35813920), (630, 32232528), (648, 31337180), (672, 30217995), (720, 28203462), (756, 26860440), (810, 25069744), (840, 24174396), (864, 23502885), (945, 21488352), (1008, 20145330), (1080, 18802308), (1120, 18130797), (1134, 17906960), (1260, 16116264), (1296, 15668590), (1440, 14101731), (1512, 13430220), (1620, 12534872), (1680, 12087198), (1890, 10744176), (2016, 10072665), (2160, 9401154), (2268, 8953480), (2520, 8058132), (2592, 7834295), (2835, 7162784), (3024, 6715110), (3240, 6267436), (3360, 6043599), (3780, 5372088), (4320, 4700577), (4536, 4476740), (5040, 4029066), (5670, 3581392), (6048, 3357555), (6480, 3133718), (7560, 2686044), (9072, 2238370), (10080, 2014533), (11340, 1790696), (12960, 1566859), (15120, 1343022), (18144, 1119185), (22680, 895348), (30240, 671511), (45360, 447674), (90720, 223837)]