80142984

素因数分解:

$2^3\times 3^2\times {\mathrm{491}}^1\times {\mathrm{2267}}^1$

素因数の和:2770

約数の個数: 48

約数和(自身を含む): 217591920

約数和(自身を除く): 137448936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 491, 982, 1473, 1964, 2267, 2946, 3928, 4419, 4534, 5892, 6801, 8838, 9068, 11784, 13602, 17676, 18136, 20403, 27204, 35352, 40806, 54408, 81612, 163224, 1113097, 2226194, 3339291, 4452388, 6678582, 8904776, 10017873, 13357164, 20035746, 26714328, 40071492, 80142984]

約数ペア:

[(1, 80142984), (2, 40071492), (3, 26714328), (4, 20035746), (6, 13357164), (8, 10017873), (9, 8904776), (12, 6678582), (18, 4452388), (24, 3339291), (36, 2226194), (72, 1113097), (491, 163224), (982, 81612), (1473, 54408), (1964, 40806), (2267, 35352), (2946, 27204), (3928, 20403), (4419, 18136), (4534, 17676), (5892, 13602), (6801, 11784), (8838, 9068)]