7989720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 24192000

約数和(自身を除く): 16202280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 479, 556, 695, 834, 958, 1112, 1390, 1437, 1668, 1916, 2085, 2395, 2780, 2874, 3336, 3832, 4170, 4790, 5560, 5748, 7185, 8340, 9580, 11496, 14370, 16680, 19160, 28740, 57480, 66581, 133162, 199743, 266324, 332905, 399486, 532648, 665810, 798972, 998715, 1331620, 1597944, 1997430, 2663240, 3994860, 7989720]

約数ペア:

[(1, 7989720), (2, 3994860), (3, 2663240), (4, 1997430), (5, 1597944), (6, 1331620), (8, 998715), (10, 798972), (12, 665810), (15, 532648), (20, 399486), (24, 332905), (30, 266324), (40, 199743), (60, 133162), (120, 66581), (139, 57480), (278, 28740), (417, 19160), (479, 16680), (556, 14370), (695, 11496), (834, 9580), (958, 8340), (1112, 7185), (1390, 5748), (1437, 5560), (1668, 4790), (1916, 4170), (2085, 3832), (2395, 3336), (2780, 2874)]