7887720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{65731}}^1$

素因数の和:65745

約数の個数: 32

約数和(自身を含む): 23663520

約数和(自身を除く): 15775800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 65731, 131462, 197193, 262924, 328655, 394386, 525848, 657310, 788772, 985965, 1314620, 1577544, 1971930, 2629240, 3943860, 7887720]

約数ペア:

[(1, 7887720), (2, 3943860), (3, 2629240), (4, 1971930), (5, 1577544), (6, 1314620), (8, 985965), (10, 788772), (12, 657310), (15, 525848), (20, 394386), (24, 328655), (30, 262924), (40, 197193), (60, 131462), (120, 65731)]