1581520

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:439

約数の個数: 40

約数和(自身を含む): 3756456

約数和(自身を除く): 2174936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 373, 424, 530, 746, 848, 1060, 1492, 1865, 2120, 2984, 3730, 4240, 5968, 7460, 14920, 19769, 29840, 39538, 79076, 98845, 158152, 197690, 316304, 395380, 790760, 1581520]

約数ペア:

[(1, 1581520), (2, 790760), (4, 395380), (5, 316304), (8, 197690), (10, 158152), (16, 98845), (20, 79076), (40, 39538), (53, 29840), (80, 19769), (106, 14920), (212, 7460), (265, 5968), (373, 4240), (424, 3730), (530, 2984), (746, 2120), (848, 1865), (1060, 1492)]