12996780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{863}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 36578304

約数和(自身を除く): 23581524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 863, 1004, 1255, 1506, 1726, 2510, 2589, 3012, 3452, 3765, 4315, 5020, 5178, 7530, 8630, 10356, 12945, 15060, 17260, 25890, 51780, 216613, 433226, 649839, 866452, 1083065, 1299678, 2166130, 2599356, 3249195, 4332260, 6498390, 12996780]

約数ペア:

[(1, 12996780), (2, 6498390), (3, 4332260), (4, 3249195), (5, 2599356), (6, 2166130), (10, 1299678), (12, 1083065), (15, 866452), (20, 649839), (30, 433226), (60, 216613), (251, 51780), (502, 25890), (753, 17260), (863, 15060), (1004, 12945), (1255, 10356), (1506, 8630), (1726, 7530), (2510, 5178), (2589, 5020), (3012, 4315), (3452, 3765)]