81631800

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{5039}}^1$

素因数の和:5067

約数の個数: 120

約数和(自身を含む): 283575600

約数和(自身を除く): 201943800

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, 135, 150, 162, 180, 200, 216, 225, 270, 300, 324, 360, 405, 450, 540, 600, 648, 675, 810, 900, 1080, 1350, 1620, 1800, 2025, 2700, 3240, 4050, 5039, 5400, 8100, 10078, 15117, 16200, 20156, 25195, 30234, 40312, 45351, 50390, 60468, 75585, 90702, 100780, 120936, 125975, 136053, 151170, 181404, 201560, 226755, 251950, 272106, 302340, 362808, 377925, 408159, 453510, 503900, 544212, 604680, 680265, 755850, 816318, 907020, 1007800, 1088424, 1133775, 1360530, 1511700, 1632636, 1814040, 2040795, 2267550, 2721060, 3023400, 3265272, 3401325, 4081590, 4535100, 5442120, 6802650, 8163180, 9070200, 10203975, 13605300, 16326360, 20407950, 27210600, 40815900, 81631800]

約数ペア:

[(1, 81631800), (2, 40815900), (3, 27210600), (4, 20407950), (5, 16326360), (6, 13605300), (8, 10203975), (9, 9070200), (10, 8163180), (12, 6802650), (15, 5442120), (18, 4535100), (20, 4081590), (24, 3401325), (25, 3265272), (27, 3023400), (30, 2721060), (36, 2267550), (40, 2040795), (45, 1814040), (50, 1632636), (54, 1511700), (60, 1360530), (72, 1133775), (75, 1088424), (81, 1007800), (90, 907020), (100, 816318), (108, 755850), (120, 680265), (135, 604680), (150, 544212), (162, 503900), (180, 453510), (200, 408159), (216, 377925), (225, 362808), (270, 302340), (300, 272106), (324, 251950), (360, 226755), (405, 201560), (450, 181404), (540, 151170), (600, 136053), (648, 125975), (675, 120936), (810, 100780), (900, 90702), (1080, 75585), (1350, 60468), (1620, 50390), (1800, 45351), (2025, 40312), (2700, 30234), (3240, 25195), (4050, 20156), (5039, 16200), (5400, 15117), (8100, 10078)]