72569840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{129589}}^1$

素因数の和:129609

約数の個数: 40

約数和(自身を含む): 192829920

約数和(自身を除く): 120260080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 129589, 259178, 518356, 647945, 907123, 1036712, 1295890, 1814246, 2073424, 2591780, 3628492, 4535615, 5183560, 7256984, 9071230, 10367120, 14513968, 18142460, 36284920, 72569840]

約数ペア:

[(1, 72569840), (2, 36284920), (4, 18142460), (5, 14513968), (7, 10367120), (8, 9071230), (10, 7256984), (14, 5183560), (16, 4535615), (20, 3628492), (28, 2591780), (35, 2073424), (40, 1814246), (56, 1295890), (70, 1036712), (80, 907123), (112, 647945), (140, 518356), (280, 259178), (560, 129589)]