16307480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 26028520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 419, 556, 695, 838, 973, 1112, 1390, 1676, 1946, 2095, 2780, 2933, 3352, 3892, 4190, 4865, 5560, 5866, 7784, 8380, 9730, 11732, 14665, 16760, 19460, 23464, 29330, 38920, 58241, 58660, 116482, 117320, 232964, 291205, 407687, 465928, 582410, 815374, 1164820, 1630748, 2038435, 2329640, 3261496, 4076870, 8153740, 16307480]

約数ペア:

[(1, 16307480), (2, 8153740), (4, 4076870), (5, 3261496), (7, 2329640), (8, 2038435), (10, 1630748), (14, 1164820), (20, 815374), (28, 582410), (35, 465928), (40, 407687), (56, 291205), (70, 232964), (139, 117320), (140, 116482), (278, 58660), (280, 58241), (419, 38920), (556, 29330), (695, 23464), (838, 19460), (973, 16760), (1112, 14665), (1390, 11732), (1676, 9730), (1946, 8380), (2095, 7784), (2780, 5866), (2933, 5560), (3352, 4865), (3892, 4190)]