15688280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23071}}^1$

素因数の和:23099

約数の個数: 32

約数和(自身を含む): 37376640

約数和(自身を除く): 21688360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 23071, 46142, 92284, 115355, 184568, 230710, 392207, 461420, 784414, 922840, 1568828, 1961035, 3137656, 3922070, 7844140, 15688280]

約数ペア:

[(1, 15688280), (2, 7844140), (4, 3922070), (5, 3137656), (8, 1961035), (10, 1568828), (17, 922840), (20, 784414), (34, 461420), (40, 392207), (68, 230710), (85, 184568), (136, 115355), (170, 92284), (340, 46142), (680, 23071)]