15215140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{709}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 33994800

約数和(自身を除く): 18779660

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 709, 740, 1073, 1418, 2146, 2836, 3545, 4292, 5365, 7090, 10730, 14180, 20561, 21460, 26233, 41122, 52466, 82244, 102805, 104932, 131165, 205610, 262330, 411220, 524660, 760757, 1521514, 3043028, 3803785, 7607570, 15215140]

約数ペア:

[(1, 15215140), (2, 7607570), (4, 3803785), (5, 3043028), (10, 1521514), (20, 760757), (29, 524660), (37, 411220), (58, 262330), (74, 205610), (116, 131165), (145, 104932), (148, 102805), (185, 82244), (290, 52466), (370, 41122), (580, 26233), (709, 21460), (740, 20561), (1073, 14180), (1418, 10730), (2146, 7090), (2836, 5365), (3545, 4292)]