81320784

素因数分解:

$2^4\times 3^1\times {\mathrm{947}}^1\times {\mathrm{1789}}^1$

素因数の和:2747

約数の個数: 40

約数和(自身を含む): 210418080

約数和(自身を除く): 129097296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 947, 1789, 1894, 2841, 3578, 3788, 5367, 5682, 7156, 7576, 10734, 11364, 14312, 15152, 21468, 22728, 28624, 42936, 45456, 85872, 1694183, 3388366, 5082549, 6776732, 10165098, 13553464, 20330196, 27106928, 40660392, 81320784]

約数ペア:

[(1, 81320784), (2, 40660392), (3, 27106928), (4, 20330196), (6, 13553464), (8, 10165098), (12, 6776732), (16, 5082549), (24, 3388366), (48, 1694183), (947, 85872), (1789, 45456), (1894, 42936), (2841, 28624), (3578, 22728), (3788, 21468), (5367, 15152), (5682, 14312), (7156, 11364), (7576, 10734)]