12748120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4139}}^1$

素因数の和:4168

約数の個数: 64

約数和(自身を含む): 35769600

約数和(自身を除く): 23021480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 4139, 8278, 16556, 20695, 28973, 33112, 41390, 45529, 57946, 82780, 91058, 115892, 144865, 165560, 182116, 227645, 231784, 289730, 318703, 364232, 455290, 579460, 637406, 910580, 1158920, 1274812, 1593515, 1821160, 2549624, 3187030, 6374060, 12748120]

約数ペア:

[(1, 12748120), (2, 6374060), (4, 3187030), (5, 2549624), (7, 1821160), (8, 1593515), (10, 1274812), (11, 1158920), (14, 910580), (20, 637406), (22, 579460), (28, 455290), (35, 364232), (40, 318703), (44, 289730), (55, 231784), (56, 227645), (70, 182116), (77, 165560), (88, 144865), (110, 115892), (140, 91058), (154, 82780), (220, 57946), (280, 45529), (308, 41390), (385, 33112), (440, 28973), (616, 20695), (770, 16556), (1540, 8278), (3080, 4139)]