15979440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:634

約数の個数: 80

約数和(自身を含む): 49996800

約数和(自身を除く): 34017360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 417, 479, 556, 695, 834, 958, 1112, 1390, 1437, 1668, 1916, 2085, 2224, 2395, 2780, 2874, 3336, 3832, 4170, 4790, 5560, 5748, 6672, 7185, 7664, 8340, 9580, 11120, 11496, 14370, 16680, 19160, 22992, 28740, 33360, 38320, 57480, 66581, 114960, 133162, 199743, 266324, 332905, 399486, 532648, 665810, 798972, 998715, 1065296, 1331620, 1597944, 1997430, 2663240, 3195888, 3994860, 5326480, 7989720, 15979440]

約数ペア:

[(1, 15979440), (2, 7989720), (3, 5326480), (4, 3994860), (5, 3195888), (6, 2663240), (8, 1997430), (10, 1597944), (12, 1331620), (15, 1065296), (16, 998715), (20, 798972), (24, 665810), (30, 532648), (40, 399486), (48, 332905), (60, 266324), (80, 199743), (120, 133162), (139, 114960), (240, 66581), (278, 57480), (417, 38320), (479, 33360), (556, 28740), (695, 22992), (834, 19160), (958, 16680), (1112, 14370), (1390, 11496), (1437, 11120), (1668, 9580), (1916, 8340), (2085, 7664), (2224, 7185), (2395, 6672), (2780, 5748), (2874, 5560), (3336, 4790), (3832, 4170)]