81145800

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{5009}}^1$

素因数の和:5037

約数の個数: 120

約数和(自身を含む): 281887650

約数和(自身を除く): 200741850

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, 5009, 5400, 8100, 10018, 15027, 16200, 20036, 25045, 30054, 40072, 45081, 50090, 60108, 75135, 90162, 100180, 120216, 125225, 135243, 150270, 180324, 200360, 225405, 250450, 270486, 300540, 360648, 375675, 405729, 450810, 500900, 540972, 601080, 676215, 751350, 811458, 901620, 1001800, 1081944, 1127025, 1352430, 1502700, 1622916, 1803240, 2028645, 2254050, 2704860, 3005400, 3245832, 3381075, 4057290, 4508100, 5409720, 6762150, 8114580, 9016200, 10143225, 13524300, 16229160, 20286450, 27048600, 40572900, 81145800]

約数ペア:

[(1, 81145800), (2, 40572900), (3, 27048600), (4, 20286450), (5, 16229160), (6, 13524300), (8, 10143225), (9, 9016200), (10, 8114580), (12, 6762150), (15, 5409720), (18, 4508100), (20, 4057290), (24, 3381075), (25, 3245832), (27, 3005400), (30, 2704860), (36, 2254050), (40, 2028645), (45, 1803240), (50, 1622916), (54, 1502700), (60, 1352430), (72, 1127025), (75, 1081944), (81, 1001800), (90, 901620), (100, 811458), (108, 751350), (120, 676215), (135, 601080), (150, 540972), (162, 500900), (180, 450810), (200, 405729), (216, 375675), (225, 360648), (270, 300540), (300, 270486), (324, 250450), (360, 225405), (405, 200360), (450, 180324), (540, 150270), (600, 135243), (648, 125225), (675, 120216), (810, 100180), (900, 90162), (1080, 75135), (1350, 60108), (1620, 50090), (1800, 45081), (2025, 40072), (2700, 30054), (3240, 25045), (4050, 20036), (5009, 16200), (5400, 15027), (8100, 10018)]