28777500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{1279}}^1$

素因数の和:1309

約数の個数: 90

約数和(自身を含む): 90970880

約数和(自身を除く): 62193380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 625, 750, 900, 1125, 1250, 1279, 1500, 1875, 2250, 2500, 2558, 3750, 3837, 4500, 5116, 5625, 6395, 7500, 7674, 11250, 11511, 12790, 15348, 19185, 22500, 23022, 25580, 31975, 38370, 46044, 57555, 63950, 76740, 95925, 115110, 127900, 159875, 191850, 230220, 287775, 319750, 383700, 479625, 575550, 639500, 799375, 959250, 1151100, 1438875, 1598750, 1918500, 2398125, 2877750, 3197500, 4796250, 5755500, 7194375, 9592500, 14388750, 28777500]

約数ペア:

[(1, 28777500), (2, 14388750), (3, 9592500), (4, 7194375), (5, 5755500), (6, 4796250), (9, 3197500), (10, 2877750), (12, 2398125), (15, 1918500), (18, 1598750), (20, 1438875), (25, 1151100), (30, 959250), (36, 799375), (45, 639500), (50, 575550), (60, 479625), (75, 383700), (90, 319750), (100, 287775), (125, 230220), (150, 191850), (180, 159875), (225, 127900), (250, 115110), (300, 95925), (375, 76740), (450, 63950), (500, 57555), (625, 46044), (750, 38370), (900, 31975), (1125, 25580), (1250, 23022), (1279, 22500), (1500, 19185), (1875, 15348), (2250, 12790), (2500, 11511), (2558, 11250), (3750, 7674), (3837, 7500), (4500, 6395), (5116, 5625)]