81891000

素因数分解:

$2^3\times 3^5\times 5^3\times {\mathrm{337}}^1$

素因数の和:373

約数の個数: 192

約数和(自身を含む): 287894880

約数和(自身を除く): 206003880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 125, 135, 150, 162, 180, 200, 216, 225, 243, 250, 270, 300, 324, 337, 360, 375, 405, 450, 486, 500, 540, 600, 648, 674, 675, 750, 810, 900, 972, 1000, 1011, 1080, 1125, 1215, 1348, 1350, 1500, 1620, 1685, 1800, 1944, 2022, 2025, 2250, 2430, 2696, 2700, 3000, 3033, 3240, 3370, 3375, 4044, 4050, 4500, 4860, 5055, 5400, 6066, 6075, 6740, 6750, 8088, 8100, 8425, 9000, 9099, 9720, 10110, 10125, 12132, 12150, 13480, 13500, 15165, 16200, 16850, 18198, 20220, 20250, 24264, 24300, 25275, 27000, 27297, 30330, 30375, 33700, 36396, 40440, 40500, 42125, 45495, 48600, 50550, 54594, 60660, 60750, 67400, 72792, 75825, 81000, 81891, 84250, 90990, 101100, 109188, 121320, 121500, 126375, 136485, 151650, 163782, 168500, 181980, 202200, 218376, 227475, 243000, 252750, 272970, 303300, 327564, 337000, 363960, 379125, 409455, 454950, 505500, 545940, 606600, 655128, 682425, 758250, 818910, 909900, 1011000, 1091880, 1137375, 1364850, 1516500, 1637820, 1819800, 2047275, 2274750, 2729700, 3033000, 3275640, 3412125, 4094550, 4549500, 5459400, 6824250, 8189100, 9099000, 10236375, 13648500, 16378200, 20472750, 27297000, 40945500, 81891000]

約数ペア:

[(1, 81891000), (2, 40945500), (3, 27297000), (4, 20472750), (5, 16378200), (6, 13648500), (8, 10236375), (9, 9099000), (10, 8189100), (12, 6824250), (15, 5459400), (18, 4549500), (20, 4094550), (24, 3412125), (25, 3275640), (27, 3033000), (30, 2729700), (36, 2274750), (40, 2047275), (45, 1819800), (50, 1637820), (54, 1516500), (60, 1364850), (72, 1137375), (75, 1091880), (81, 1011000), (90, 909900), (100, 818910), (108, 758250), (120, 682425), (125, 655128), (135, 606600), (150, 545940), (162, 505500), (180, 454950), (200, 409455), (216, 379125), (225, 363960), (243, 337000), (250, 327564), (270, 303300), (300, 272970), (324, 252750), (337, 243000), (360, 227475), (375, 218376), (405, 202200), (450, 181980), (486, 168500), (500, 163782), (540, 151650), (600, 136485), (648, 126375), (674, 121500), (675, 121320), (750, 109188), (810, 101100), (900, 90990), (972, 84250), (1000, 81891), (1011, 81000), (1080, 75825), (1125, 72792), (1215, 67400), (1348, 60750), (1350, 60660), (1500, 54594), (1620, 50550), (1685, 48600), (1800, 45495), (1944, 42125), (2022, 40500), (2025, 40440), (2250, 36396), (2430, 33700), (2696, 30375), (2700, 30330), (3000, 27297), (3033, 27000), (3240, 25275), (3370, 24300), (3375, 24264), (4044, 20250), (4050, 20220), (4500, 18198), (4860, 16850), (5055, 16200), (5400, 15165), (6066, 13500), (6075, 13480), (6740, 12150), (6750, 12132), (8088, 10125), (8100, 10110), (8425, 9720), (9000, 9099)]