19489200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:279

約数の個数: 120

約数和(自身を含む): 63426000

約数和(自身を除く): 43936800

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, 149, 150, 200, 218, 240, 298, 300, 327, 400, 436, 447, 545, 596, 600, 654, 745, 872, 894, 1090, 1192, 1200, 1308, 1490, 1635, 1744, 1788, 2180, 2235, 2384, 2616, 2725, 2980, 3270, 3576, 3725, 4360, 4470, 5232, 5450, 5960, 6540, 7152, 7450, 8175, 8720, 8940, 10900, 11175, 11920, 13080, 14900, 16241, 16350, 17880, 21800, 22350, 26160, 29800, 32482, 32700, 35760, 43600, 44700, 48723, 59600, 64964, 65400, 81205, 89400, 97446, 129928, 130800, 162410, 178800, 194892, 243615, 259856, 324820, 389784, 406025, 487230, 649640, 779568, 812050, 974460, 1218075, 1299280, 1624100, 1948920, 2436150, 3248200, 3897840, 4872300, 6496400, 9744600, 19489200]

約数ペア:

[(1, 19489200), (2, 9744600), (3, 6496400), (4, 4872300), (5, 3897840), (6, 3248200), (8, 2436150), (10, 1948920), (12, 1624100), (15, 1299280), (16, 1218075), (20, 974460), (24, 812050), (25, 779568), (30, 649640), (40, 487230), (48, 406025), (50, 389784), (60, 324820), (75, 259856), (80, 243615), (100, 194892), (109, 178800), (120, 162410), (149, 130800), (150, 129928), (200, 97446), (218, 89400), (240, 81205), (298, 65400), (300, 64964), (327, 59600), (400, 48723), (436, 44700), (447, 43600), (545, 35760), (596, 32700), (600, 32482), (654, 29800), (745, 26160), (872, 22350), (894, 21800), (1090, 17880), (1192, 16350), (1200, 16241), (1308, 14900), (1490, 13080), (1635, 11920), (1744, 11175), (1788, 10900), (2180, 8940), (2235, 8720), (2384, 8175), (2616, 7450), (2725, 7152), (2980, 6540), (3270, 5960), (3576, 5450), (3725, 5232), (4360, 4470)]