15360890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 28607040

約数和(自身を除く): 13246150

約数列:

[1, 2, 5, 10, 43, 86, 139, 215, 257, 278, 430, 514, 695, 1285, 1390, 2570, 5977, 11051, 11954, 22102, 29885, 35723, 55255, 59770, 71446, 110510, 178615, 357230, 1536089, 3072178, 7680445, 15360890]

約数ペア:

[(1, 15360890), (2, 7680445), (5, 3072178), (10, 1536089), (43, 357230), (86, 178615), (139, 110510), (215, 71446), (257, 59770), (278, 55255), (430, 35723), (514, 29885), (695, 22102), (1285, 11954), (1390, 11051), (2570, 5977)]