86681840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{154789}}^1$

素因数の和:154809

約数の個数: 40

約数和(自身を含む): 230327520

約数和(自身を除く): 143645680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 154789, 309578, 619156, 773945, 1083523, 1238312, 1547890, 2167046, 2476624, 3095780, 4334092, 5417615, 6191560, 8668184, 10835230, 12383120, 17336368, 21670460, 43340920, 86681840]

約数ペア:

[(1, 86681840), (2, 43340920), (4, 21670460), (5, 17336368), (7, 12383120), (8, 10835230), (10, 8668184), (14, 6191560), (16, 5417615), (20, 4334092), (28, 3095780), (35, 2476624), (40, 2167046), (56, 1547890), (70, 1238312), (80, 1083523), (112, 773945), (140, 619156), (280, 309578), (560, 154789)]