15954420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1913}}^1$

素因数の和:2064

約数の個数: 48

約数和(自身を含む): 45017280

約数和(自身を除く): 29062860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 1913, 2085, 2780, 3826, 4170, 5739, 7652, 8340, 9565, 11478, 19130, 22956, 28695, 38260, 57390, 114780, 265907, 531814, 797721, 1063628, 1329535, 1595442, 2659070, 3190884, 3988605, 5318140, 7977210, 15954420]

約数ペア:

[(1, 15954420), (2, 7977210), (3, 5318140), (4, 3988605), (5, 3190884), (6, 2659070), (10, 1595442), (12, 1329535), (15, 1063628), (20, 797721), (30, 531814), (60, 265907), (139, 114780), (278, 57390), (417, 38260), (556, 28695), (695, 22956), (834, 19130), (1390, 11478), (1668, 9565), (1913, 8340), (2085, 7652), (2780, 5739), (3826, 4170)]