90251560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{322327}}^1$

素因数の和:322345

約数の個数: 32

約数和(自身を含む): 232076160

約数和(自身を除く): 141824600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 322327, 644654, 1289308, 1611635, 2256289, 2578616, 3223270, 4512578, 6446540, 9025156, 11281445, 12893080, 18050312, 22562890, 45125780, 90251560]

約数ペア:

[(1, 90251560), (2, 45125780), (4, 22562890), (5, 18050312), (7, 12893080), (8, 11281445), (10, 9025156), (14, 6446540), (20, 4512578), (28, 3223270), (35, 2578616), (40, 2256289), (56, 1611635), (70, 1289308), (140, 644654), (280, 322327)]