81002664

素因数分解:

$2^3\times 3^2\times {\mathrm{881}}^1\times {\mathrm{1277}}^1$

素因数の和:2170

約数の個数: 48

約数和(自身を含む): 219803220

約数和(自身を除く): 138800556

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 881, 1277, 1762, 2554, 2643, 3524, 3831, 5108, 5286, 7048, 7662, 7929, 10216, 10572, 11493, 15324, 15858, 21144, 22986, 30648, 31716, 45972, 63432, 91944, 1125037, 2250074, 3375111, 4500148, 6750222, 9000296, 10125333, 13500444, 20250666, 27000888, 40501332, 81002664]

約数ペア:

[(1, 81002664), (2, 40501332), (3, 27000888), (4, 20250666), (6, 13500444), (8, 10125333), (9, 9000296), (12, 6750222), (18, 4500148), (24, 3375111), (36, 2250074), (72, 1125037), (881, 91944), (1277, 63432), (1762, 45972), (2554, 31716), (2643, 30648), (3524, 22986), (3831, 21144), (5108, 15858), (5286, 15324), (7048, 11493), (7662, 10572), (7929, 10216)]