15917820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13963}}^1$

素因数の和:13994

約数の個数: 48

約数和(自身を含む): 46919040

約数和(自身を除く): 31001220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 13963, 27926, 41889, 55852, 69815, 83778, 139630, 167556, 209445, 265297, 279260, 418890, 530594, 795891, 837780, 1061188, 1326485, 1591782, 2652970, 3183564, 3979455, 5305940, 7958910, 15917820]

約数ペア:

[(1, 15917820), (2, 7958910), (3, 5305940), (4, 3979455), (5, 3183564), (6, 2652970), (10, 1591782), (12, 1326485), (15, 1061188), (19, 837780), (20, 795891), (30, 530594), (38, 418890), (57, 279260), (60, 265297), (76, 209445), (95, 167556), (114, 139630), (190, 83778), (228, 69815), (285, 55852), (380, 41889), (570, 27926), (1140, 13963)]