1313532780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3127459}}^1$

素因数の和:3127478

約数の個数: 48

約数和(自身を含む): 4203306240

約数和(自身を除く): 2889773460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3127459, 6254918, 9382377, 12509836, 15637295, 18764754, 21892213, 31274590, 37529508, 43784426, 46911885, 62549180, 65676639, 87568852, 93823770, 109461065, 131353278, 187647540, 218922130, 262706556, 328383195, 437844260, 656766390, 1313532780]

約数ペア:

[(1, 1313532780), (2, 656766390), (3, 437844260), (4, 328383195), (5, 262706556), (6, 218922130), (7, 187647540), (10, 131353278), (12, 109461065), (14, 93823770), (15, 87568852), (20, 65676639), (21, 62549180), (28, 46911885), (30, 43784426), (35, 37529508), (42, 31274590), (60, 21892213), (70, 18764754), (84, 15637295), (105, 12509836), (140, 9382377), (210, 6254918), (420, 3127459)]