15139780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24419}}^1$

素因数の和:24459

約数の個数: 24

約数和(自身を含む): 32820480

約数和(自身を除く): 17680700

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 24419, 48838, 97676, 122095, 244190, 488380, 756989, 1513978, 3027956, 3784945, 7569890, 15139780]

約数ペア:

[(1, 15139780), (2, 7569890), (4, 3784945), (5, 3027956), (10, 1513978), (20, 756989), (31, 488380), (62, 244190), (124, 122095), (155, 97676), (310, 48838), (620, 24419)]