81051840

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:141

約数の個数: 280

約数和(自身を含む): 298734480

約数和(自身を除く): 217682640

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, 53, 54, 59, 60, 64, 72, 80, 81, 90, 96, 106, 108, 118, 120, 135, 144, 159, 160, 162, 177, 180, 192, 212, 216, 236, 240, 265, 270, 288, 295, 318, 320, 324, 354, 360, 405, 424, 432, 472, 477, 480, 530, 531, 540, 576, 590, 636, 648, 708, 720, 795, 810, 848, 864, 885, 944, 954, 960, 1060, 1062, 1080, 1180, 1272, 1296, 1416, 1431, 1440, 1590, 1593, 1620, 1696, 1728, 1770, 1888, 1908, 2120, 2124, 2160, 2360, 2385, 2544, 2592, 2655, 2832, 2862, 2880, 3127, 3180, 3186, 3240, 3392, 3540, 3776, 3816, 4240, 4248, 4293, 4320, 4720, 4770, 4779, 5088, 5184, 5310, 5664, 5724, 6254, 6360, 6372, 6480, 7080, 7155, 7632, 7965, 8480, 8496, 8586, 8640, 9381, 9440, 9540, 9558, 10176, 10620, 11328, 11448, 12508, 12720, 12744, 12960, 14160, 14310, 15264, 15635, 15930, 16960, 16992, 17172, 18762, 18880, 19080, 19116, 21240, 21465, 22896, 23895, 25016, 25440, 25488, 25920, 28143, 28320, 28620, 30528, 31270, 31860, 33984, 34344, 37524, 38160, 38232, 42480, 42930, 45792, 46905, 47790, 50032, 50880, 50976, 56286, 56640, 57240, 62540, 63720, 68688, 75048, 76320, 76464, 84429, 84960, 85860, 91584, 93810, 95580, 100064, 101952, 112572, 114480, 125080, 127440, 137376, 140715, 150096, 152640, 152928, 168858, 169920, 171720, 187620, 191160, 200128, 225144, 228960, 250160, 253287, 254880, 274752, 281430, 300192, 305856, 337716, 343440, 375240, 382320, 422145, 450288, 457920, 500320, 506574, 509760, 562860, 600384, 675432, 686880, 750480, 764640, 844290, 900576, 1000640, 1013148, 1125720, 1266435, 1350864, 1373760, 1500960, 1529280, 1688580, 1801152, 2026296, 2251440, 2532870, 2701728, 3001920, 3377160, 4052592, 4502880, 5065740, 5403456, 6754320, 8105184, 9005760, 10131480, 13508640, 16210368, 20262960, 27017280, 40525920, 81051840]

約数ペア:

[(1, 81051840), (2, 40525920), (3, 27017280), (4, 20262960), (5, 16210368), (6, 13508640), (8, 10131480), (9, 9005760), (10, 8105184), (12, 6754320), (15, 5403456), (16, 5065740), (18, 4502880), (20, 4052592), (24, 3377160), (27, 3001920), (30, 2701728), (32, 2532870), (36, 2251440), (40, 2026296), (45, 1801152), (48, 1688580), (53, 1529280), (54, 1500960), (59, 1373760), (60, 1350864), (64, 1266435), (72, 1125720), (80, 1013148), (81, 1000640), (90, 900576), (96, 844290), (106, 764640), (108, 750480), (118, 686880), (120, 675432), (135, 600384), (144, 562860), (159, 509760), (160, 506574), (162, 500320), (177, 457920), (180, 450288), (192, 422145), (212, 382320), (216, 375240), (236, 343440), (240, 337716), (265, 305856), (270, 300192), (288, 281430), (295, 274752), (318, 254880), (320, 253287), (324, 250160), (354, 228960), (360, 225144), (405, 200128), (424, 191160), (432, 187620), (472, 171720), (477, 169920), (480, 168858), (530, 152928), (531, 152640), (540, 150096), (576, 140715), (590, 137376), (636, 127440), (648, 125080), (708, 114480), (720, 112572), (795, 101952), (810, 100064), (848, 95580), (864, 93810), (885, 91584), (944, 85860), (954, 84960), (960, 84429), (1060, 76464), (1062, 76320), (1080, 75048), (1180, 68688), (1272, 63720), (1296, 62540), (1416, 57240), (1431, 56640), (1440, 56286), (1590, 50976), (1593, 50880), (1620, 50032), (1696, 47790), (1728, 46905), (1770, 45792), (1888, 42930), (1908, 42480), (2120, 38232), (2124, 38160), (2160, 37524), (2360, 34344), (2385, 33984), (2544, 31860), (2592, 31270), (2655, 30528), (2832, 28620), (2862, 28320), (2880, 28143), (3127, 25920), (3180, 25488), (3186, 25440), (3240, 25016), (3392, 23895), (3540, 22896), (3776, 21465), (3816, 21240), (4240, 19116), (4248, 19080), (4293, 18880), (4320, 18762), (4720, 17172), (4770, 16992), (4779, 16960), (5088, 15930), (5184, 15635), (5310, 15264), (5664, 14310), (5724, 14160), (6254, 12960), (6360, 12744), (6372, 12720), (6480, 12508), (7080, 11448), (7155, 11328), (7632, 10620), (7965, 10176), (8480, 9558), (8496, 9540), (8586, 9440), (8640, 9381)]