20879311680

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{35023}}^1$

素因数の和:35075

約数の個数: 280

約数和(自身を含む): 77502788352

約数和(自身を除く): 56623476672

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 81, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 162, 180, 184, 192, 207, 216, 230, 240, 270, 276, 288, 320, 324, 345, 360, 368, 405, 414, 432, 460, 480, 540, 552, 576, 621, 648, 690, 720, 736, 810, 828, 864, 920, 960, 1035, 1080, 1104, 1242, 1296, 1380, 1440, 1472, 1620, 1656, 1728, 1840, 1863, 2070, 2160, 2208, 2484, 2592, 2760, 2880, 3105, 3240, 3312, 3680, 3726, 4140, 4320, 4416, 4968, 5184, 5520, 6210, 6480, 6624, 7360, 7452, 8280, 8640, 9315, 9936, 11040, 12420, 12960, 13248, 14904, 16560, 18630, 19872, 22080, 24840, 25920, 29808, 33120, 35023, 37260, 39744, 49680, 59616, 66240, 70046, 74520, 99360, 105069, 119232, 140092, 149040, 175115, 198720, 210138, 280184, 298080, 315207, 350230, 420276, 525345, 560368, 596160, 630414, 700460, 805529, 840552, 945621, 1050690, 1120736, 1260828, 1400920, 1576035, 1611058, 1681104, 1891242, 2101380, 2241472, 2416587, 2521656, 2801840, 2836863, 3152070, 3222116, 3362208, 3782484, 4027645, 4202760, 4728105, 4833174, 5043312, 5603680, 5673726, 6304140, 6444232, 6724416, 7249761, 7564968, 8055290, 8405520, 9456210, 9666348, 10086624, 11207360, 11347452, 12082935, 12608280, 12888464, 14184315, 14499522, 15129936, 16110580, 16811040, 18912420, 19332696, 20173248, 21749283, 22694904, 24165870, 25216560, 25776928, 28368630, 28999044, 30259872, 32221160, 33622080, 36248805, 37824840, 38665392, 43498566, 45389808, 48331740, 50433120, 51553856, 56737260, 57998088, 60519744, 64442320, 65247849, 72497610, 75649680, 77330784, 86997132, 90779616, 96663480, 100866240, 108746415, 113474520, 115996176, 128884640, 130495698, 144995220, 151299360, 154661568, 173994264, 181559232, 193326960, 217492830, 226949040, 231992352, 257769280, 260991396, 289990440, 302598720, 326239245, 347988528, 386653920, 434985660, 453898080, 463984704, 521982792, 579980880, 652478490, 695977056, 773307840, 869971320, 907796160, 1043965584, 1159961760, 1304956980, 1391954112, 1739942640, 2087931168, 2319923520, 2609913960, 3479885280, 4175862336, 5219827920, 6959770560, 10439655840, 20879311680]

約数ペア:

[(1, 20879311680), (2, 10439655840), (3, 6959770560), (4, 5219827920), (5, 4175862336), (6, 3479885280), (8, 2609913960), (9, 2319923520), (10, 2087931168), (12, 1739942640), (15, 1391954112), (16, 1304956980), (18, 1159961760), (20, 1043965584), (23, 907796160), (24, 869971320), (27, 773307840), (30, 695977056), (32, 652478490), (36, 579980880), (40, 521982792), (45, 463984704), (46, 453898080), (48, 434985660), (54, 386653920), (60, 347988528), (64, 326239245), (69, 302598720), (72, 289990440), (80, 260991396), (81, 257769280), (90, 231992352), (92, 226949040), (96, 217492830), (108, 193326960), (115, 181559232), (120, 173994264), (135, 154661568), (138, 151299360), (144, 144995220), (160, 130495698), (162, 128884640), (180, 115996176), (184, 113474520), (192, 108746415), (207, 100866240), (216, 96663480), (230, 90779616), (240, 86997132), (270, 77330784), (276, 75649680), (288, 72497610), (320, 65247849), (324, 64442320), (345, 60519744), (360, 57998088), (368, 56737260), (405, 51553856), (414, 50433120), (432, 48331740), (460, 45389808), (480, 43498566), (540, 38665392), (552, 37824840), (576, 36248805), (621, 33622080), (648, 32221160), (690, 30259872), (720, 28999044), (736, 28368630), (810, 25776928), (828, 25216560), (864, 24165870), (920, 22694904), (960, 21749283), (1035, 20173248), (1080, 19332696), (1104, 18912420), (1242, 16811040), (1296, 16110580), (1380, 15129936), (1440, 14499522), (1472, 14184315), (1620, 12888464), (1656, 12608280), (1728, 12082935), (1840, 11347452), (1863, 11207360), (2070, 10086624), (2160, 9666348), (2208, 9456210), (2484, 8405520), (2592, 8055290), (2760, 7564968), (2880, 7249761), (3105, 6724416), (3240, 6444232), (3312, 6304140), (3680, 5673726), (3726, 5603680), (4140, 5043312), (4320, 4833174), (4416, 4728105), (4968, 4202760), (5184, 4027645), (5520, 3782484), (6210, 3362208), (6480, 3222116), (6624, 3152070), (7360, 2836863), (7452, 2801840), (8280, 2521656), (8640, 2416587), (9315, 2241472), (9936, 2101380), (11040, 1891242), (12420, 1681104), (12960, 1611058), (13248, 1576035), (14904, 1400920), (16560, 1260828), (18630, 1120736), (19872, 1050690), (22080, 945621), (24840, 840552), (25920, 805529), (29808, 700460), (33120, 630414), (35023, 596160), (37260, 560368), (39744, 525345), (49680, 420276), (59616, 350230), (66240, 315207), (70046, 298080), (74520, 280184), (99360, 210138), (105069, 198720), (119232, 175115), (140092, 149040)]