320414864

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{919}}^1$

素因数の和:1228

約数の個数: 80

約数和(自身を含む): 777569280

約数和(自身を除く): 457154416

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 283, 308, 566, 616, 919, 1132, 1232, 1838, 1981, 2264, 3113, 3676, 3962, 4528, 6226, 6433, 7352, 7924, 10109, 12452, 12866, 14704, 15848, 20218, 21791, 24904, 25732, 31696, 40436, 43582, 49808, 51464, 70763, 80872, 87164, 102928, 141526, 161744, 174328, 260077, 283052, 348656, 520154, 566104, 1040308, 1132208, 1820539, 2080616, 2860847, 3641078, 4161232, 5721694, 7282156, 11443388, 14564312, 20025929, 22886776, 29128624, 40051858, 45773552, 80103716, 160207432, 320414864]

約数ペア:

[(1, 320414864), (2, 160207432), (4, 80103716), (7, 45773552), (8, 40051858), (11, 29128624), (14, 22886776), (16, 20025929), (22, 14564312), (28, 11443388), (44, 7282156), (56, 5721694), (77, 4161232), (88, 3641078), (112, 2860847), (154, 2080616), (176, 1820539), (283, 1132208), (308, 1040308), (566, 566104), (616, 520154), (919, 348656), (1132, 283052), (1232, 260077), (1838, 174328), (1981, 161744), (2264, 141526), (3113, 102928), (3676, 87164), (3962, 80872), (4528, 70763), (6226, 51464), (6433, 49808), (7352, 43582), (7924, 40436), (10109, 31696), (12452, 25732), (12866, 24904), (14704, 21791), (15848, 20218)]