81042912

素因数分解:

$2^5\times 3^2\times {\mathrm{439}}^1\times {\mathrm{641}}^1$

素因数の和:1096

約数の個数: 72

約数和(自身を含む): 231351120

約数和(自身を除く): 150308208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 439, 641, 878, 1282, 1317, 1756, 1923, 2564, 2634, 3512, 3846, 3951, 5128, 5268, 5769, 7024, 7692, 7902, 10256, 10536, 11538, 14048, 15384, 15804, 20512, 21072, 23076, 30768, 31608, 42144, 46152, 61536, 63216, 92304, 126432, 184608, 281399, 562798, 844197, 1125596, 1688394, 2251192, 2532591, 3376788, 4502384, 5065182, 6753576, 9004768, 10130364, 13507152, 20260728, 27014304, 40521456, 81042912]

約数ペア:

[(1, 81042912), (2, 40521456), (3, 27014304), (4, 20260728), (6, 13507152), (8, 10130364), (9, 9004768), (12, 6753576), (16, 5065182), (18, 4502384), (24, 3376788), (32, 2532591), (36, 2251192), (48, 1688394), (72, 1125596), (96, 844197), (144, 562798), (288, 281399), (439, 184608), (641, 126432), (878, 92304), (1282, 63216), (1317, 61536), (1756, 46152), (1923, 42144), (2564, 31608), (2634, 30768), (3512, 23076), (3846, 21072), (3951, 20512), (5128, 15804), (5268, 15384), (5769, 14048), (7024, 11538), (7692, 10536), (7902, 10256)]