8140380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{643}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 22936704

約数和(自身を除く): 14796324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 643, 844, 1055, 1266, 1286, 1929, 2110, 2532, 2572, 3165, 3215, 3858, 4220, 6330, 6430, 7716, 9645, 12660, 12860, 19290, 38580, 135673, 271346, 407019, 542692, 678365, 814038, 1356730, 1628076, 2035095, 2713460, 4070190, 8140380]

約数ペア:

[(1, 8140380), (2, 4070190), (3, 2713460), (4, 2035095), (5, 1628076), (6, 1356730), (10, 814038), (12, 678365), (15, 542692), (20, 407019), (30, 271346), (60, 135673), (211, 38580), (422, 19290), (633, 12860), (643, 12660), (844, 9645), (1055, 7716), (1266, 6430), (1286, 6330), (1929, 4220), (2110, 3858), (2532, 3215), (2572, 3165)]