6691780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 14696640

約数和(自身を除く): 8004860

約数列:

[1, 2, 4, 5, 10, 20, 53, 59, 106, 107, 118, 212, 214, 236, 265, 295, 428, 530, 535, 590, 1060, 1070, 1180, 2140, 3127, 5671, 6254, 6313, 11342, 12508, 12626, 15635, 22684, 25252, 28355, 31270, 31565, 56710, 62540, 63130, 113420, 126260, 334589, 669178, 1338356, 1672945, 3345890, 6691780]

約数ペア:

[(1, 6691780), (2, 3345890), (4, 1672945), (5, 1338356), (10, 669178), (20, 334589), (53, 126260), (59, 113420), (106, 63130), (107, 62540), (118, 56710), (212, 31565), (214, 31270), (236, 28355), (265, 25252), (295, 22684), (428, 15635), (530, 12626), (535, 12508), (590, 11342), (1060, 6313), (1070, 6254), (1180, 5671), (2140, 3127)]