15501520

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5237}}^1$

素因数の和:5287

約数の個数: 40

約数和(自身を含む): 37022184

約数和(自身を除く): 21520664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 5237, 10474, 20948, 26185, 41896, 52370, 83792, 104740, 193769, 209480, 387538, 418960, 775076, 968845, 1550152, 1937690, 3100304, 3875380, 7750760, 15501520]

約数ペア:

[(1, 15501520), (2, 7750760), (4, 3875380), (5, 3100304), (8, 1937690), (10, 1550152), (16, 968845), (20, 775076), (37, 418960), (40, 387538), (74, 209480), (80, 193769), (148, 104740), (185, 83792), (296, 52370), (370, 41896), (592, 26185), (740, 20948), (1480, 10474), (2960, 5237)]