156720580

素因数分解:

$2^2\times 5^1\times {\mathrm{1453}}^1\times {\mathrm{5393}}^1$

素因数の和:6855

約数の個数: 24

約数和(自身を含む): 329400792

約数和(自身を除く): 172680212

約数列:

[1, 2, 4, 5, 10, 20, 1453, 2906, 5393, 5812, 7265, 10786, 14530, 21572, 26965, 29060, 53930, 107860, 7836029, 15672058, 31344116, 39180145, 78360290, 156720580]

約数ペア:

[(1, 156720580), (2, 78360290), (4, 39180145), (5, 31344116), (10, 15672058), (20, 7836029), (1453, 107860), (2906, 53930), (5393, 29060), (5812, 26965), (7265, 21572), (10786, 14530)]