2396240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 6963840

約数和(自身を除く): 4567600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 389, 440, 560, 616, 770, 778, 880, 1232, 1540, 1556, 1945, 2723, 3080, 3112, 3890, 4279, 5446, 6160, 6224, 7780, 8558, 10892, 13615, 15560, 17116, 21395, 21784, 27230, 29953, 31120, 34232, 42790, 43568, 54460, 59906, 68464, 85580, 108920, 119812, 149765, 171160, 217840, 239624, 299530, 342320, 479248, 599060, 1198120, 2396240]

約数ペア:

[(1, 2396240), (2, 1198120), (4, 599060), (5, 479248), (7, 342320), (8, 299530), (10, 239624), (11, 217840), (14, 171160), (16, 149765), (20, 119812), (22, 108920), (28, 85580), (35, 68464), (40, 59906), (44, 54460), (55, 43568), (56, 42790), (70, 34232), (77, 31120), (80, 29953), (88, 27230), (110, 21784), (112, 21395), (140, 17116), (154, 15560), (176, 13615), (220, 10892), (280, 8558), (308, 7780), (385, 6224), (389, 6160), (440, 5446), (560, 4279), (616, 3890), (770, 3112), (778, 3080), (880, 2723), (1232, 1945), (1540, 1556)]