19750800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:281

約数の個数: 120

約数和(自身を含む): 64271680

約数和(自身を除く): 44520880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 109, 120, 150, 151, 200, 218, 240, 300, 302, 327, 400, 436, 453, 545, 600, 604, 654, 755, 872, 906, 1090, 1200, 1208, 1308, 1510, 1635, 1744, 1812, 2180, 2265, 2416, 2616, 2725, 3020, 3270, 3624, 3775, 4360, 4530, 5232, 5450, 6040, 6540, 7248, 7550, 8175, 8720, 9060, 10900, 11325, 12080, 13080, 15100, 16350, 16459, 18120, 21800, 22650, 26160, 30200, 32700, 32918, 36240, 43600, 45300, 49377, 60400, 65400, 65836, 82295, 90600, 98754, 130800, 131672, 164590, 181200, 197508, 246885, 263344, 329180, 395016, 411475, 493770, 658360, 790032, 822950, 987540, 1234425, 1316720, 1645900, 1975080, 2468850, 3291800, 3950160, 4937700, 6583600, 9875400, 19750800]

約数ペア:

[(1, 19750800), (2, 9875400), (3, 6583600), (4, 4937700), (5, 3950160), (6, 3291800), (8, 2468850), (10, 1975080), (12, 1645900), (15, 1316720), (16, 1234425), (20, 987540), (24, 822950), (25, 790032), (30, 658360), (40, 493770), (48, 411475), (50, 395016), (60, 329180), (75, 263344), (80, 246885), (100, 197508), (109, 181200), (120, 164590), (150, 131672), (151, 130800), (200, 98754), (218, 90600), (240, 82295), (300, 65836), (302, 65400), (327, 60400), (400, 49377), (436, 45300), (453, 43600), (545, 36240), (600, 32918), (604, 32700), (654, 30200), (755, 26160), (872, 22650), (906, 21800), (1090, 18120), (1200, 16459), (1208, 16350), (1308, 15100), (1510, 13080), (1635, 12080), (1744, 11325), (1812, 10900), (2180, 9060), (2265, 8720), (2416, 8175), (2616, 7550), (2725, 7248), (3020, 6540), (3270, 6040), (3624, 5450), (3775, 5232), (4360, 4530)]