81137700

素因数分解:

$2^2\times 3^7\times 5^2\times 7^1\times {\mathrm{53}}^1$

素因数の和:95

約数の個数: 288

約数和(自身を含む): 307480320

約数和(自身を除く): 226342620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 53, 54, 60, 63, 70, 75, 81, 84, 90, 100, 105, 106, 108, 126, 135, 140, 150, 159, 162, 175, 180, 189, 210, 212, 225, 243, 252, 265, 270, 300, 315, 318, 324, 350, 371, 378, 405, 420, 450, 477, 486, 525, 530, 540, 567, 630, 636, 675, 700, 729, 742, 756, 795, 810, 900, 945, 954, 972, 1050, 1060, 1113, 1134, 1215, 1260, 1325, 1350, 1431, 1458, 1484, 1575, 1590, 1620, 1701, 1855, 1890, 1908, 2025, 2100, 2187, 2226, 2268, 2385, 2430, 2650, 2700, 2835, 2862, 2916, 3150, 3180, 3339, 3402, 3645, 3710, 3780, 3975, 4050, 4293, 4374, 4452, 4725, 4770, 4860, 5103, 5300, 5565, 5670, 5724, 6075, 6300, 6678, 6804, 7155, 7290, 7420, 7950, 8100, 8505, 8586, 8748, 9275, 9450, 9540, 10017, 10206, 10935, 11130, 11340, 11925, 12150, 12879, 13356, 14175, 14310, 14580, 15309, 15900, 16695, 17010, 17172, 18225, 18550, 18900, 20034, 20412, 21465, 21870, 22260, 23850, 24300, 25515, 25758, 27825, 28350, 28620, 30051, 30618, 33390, 34020, 35775, 36450, 37100, 38637, 40068, 42525, 42930, 43740, 47700, 50085, 51030, 51516, 54675, 55650, 56700, 60102, 61236, 64395, 66780, 71550, 72900, 76545, 77274, 83475, 85050, 85860, 90153, 100170, 102060, 107325, 109350, 111300, 115911, 120204, 127575, 128790, 143100, 150255, 153090, 154548, 166950, 170100, 180306, 193185, 200340, 214650, 218700, 231822, 250425, 255150, 257580, 270459, 300510, 306180, 321975, 333900, 360612, 382725, 386370, 429300, 450765, 463644, 500850, 510300, 540918, 579555, 601020, 643950, 751275, 765450, 772740, 811377, 901530, 965925, 1001700, 1081836, 1159110, 1287900, 1352295, 1502550, 1530900, 1622754, 1803060, 1931850, 2253825, 2318220, 2704590, 2897775, 3005100, 3245508, 3863700, 4056885, 4507650, 5409180, 5795550, 6761475, 8113770, 9015300, 11591100, 13522950, 16227540, 20284425, 27045900, 40568850, 81137700]

約数ペア:

[(1, 81137700), (2, 40568850), (3, 27045900), (4, 20284425), (5, 16227540), (6, 13522950), (7, 11591100), (9, 9015300), (10, 8113770), (12, 6761475), (14, 5795550), (15, 5409180), (18, 4507650), (20, 4056885), (21, 3863700), (25, 3245508), (27, 3005100), (28, 2897775), (30, 2704590), (35, 2318220), (36, 2253825), (42, 1931850), (45, 1803060), (50, 1622754), (53, 1530900), (54, 1502550), (60, 1352295), (63, 1287900), (70, 1159110), (75, 1081836), (81, 1001700), (84, 965925), (90, 901530), (100, 811377), (105, 772740), (106, 765450), (108, 751275), (126, 643950), (135, 601020), (140, 579555), (150, 540918), (159, 510300), (162, 500850), (175, 463644), (180, 450765), (189, 429300), (210, 386370), (212, 382725), (225, 360612), (243, 333900), (252, 321975), (265, 306180), (270, 300510), (300, 270459), (315, 257580), (318, 255150), (324, 250425), (350, 231822), (371, 218700), (378, 214650), (405, 200340), (420, 193185), (450, 180306), (477, 170100), (486, 166950), (525, 154548), (530, 153090), (540, 150255), (567, 143100), (630, 128790), (636, 127575), (675, 120204), (700, 115911), (729, 111300), (742, 109350), (756, 107325), (795, 102060), (810, 100170), (900, 90153), (945, 85860), (954, 85050), (972, 83475), (1050, 77274), (1060, 76545), (1113, 72900), (1134, 71550), (1215, 66780), (1260, 64395), (1325, 61236), (1350, 60102), (1431, 56700), (1458, 55650), (1484, 54675), (1575, 51516), (1590, 51030), (1620, 50085), (1701, 47700), (1855, 43740), (1890, 42930), (1908, 42525), (2025, 40068), (2100, 38637), (2187, 37100), (2226, 36450), (2268, 35775), (2385, 34020), (2430, 33390), (2650, 30618), (2700, 30051), (2835, 28620), (2862, 28350), (2916, 27825), (3150, 25758), (3180, 25515), (3339, 24300), (3402, 23850), (3645, 22260), (3710, 21870), (3780, 21465), (3975, 20412), (4050, 20034), (4293, 18900), (4374, 18550), (4452, 18225), (4725, 17172), (4770, 17010), (4860, 16695), (5103, 15900), (5300, 15309), (5565, 14580), (5670, 14310), (5724, 14175), (6075, 13356), (6300, 12879), (6678, 12150), (6804, 11925), (7155, 11340), (7290, 11130), (7420, 10935), (7950, 10206), (8100, 10017), (8505, 9540), (8586, 9450), (8748, 9275)]