15816260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 34727616

約数和(自身を除く): 18911356

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 212, 215, 265, 347, 430, 530, 694, 860, 1060, 1388, 1735, 2279, 3470, 4558, 6940, 9116, 11395, 14921, 18391, 22790, 29842, 36782, 45580, 59684, 73564, 74605, 91955, 149210, 183910, 298420, 367820, 790813, 1581626, 3163252, 3954065, 7908130, 15816260]

約数ペア:

[(1, 15816260), (2, 7908130), (4, 3954065), (5, 3163252), (10, 1581626), (20, 790813), (43, 367820), (53, 298420), (86, 183910), (106, 149210), (172, 91955), (212, 74605), (215, 73564), (265, 59684), (347, 45580), (430, 36782), (530, 29842), (694, 22790), (860, 18391), (1060, 14921), (1388, 11395), (1735, 9116), (2279, 6940), (3470, 4558)]