81295776

素因数分解:

$2^5\times 3^2\times {\mathrm{439}}^1\times {\mathrm{643}}^1$

素因数の和:1098

約数の個数: 72

約数和(自身を含む): 232071840

約数和(自身を除く): 150776064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 439, 643, 878, 1286, 1317, 1756, 1929, 2572, 2634, 3512, 3858, 3951, 5144, 5268, 5787, 7024, 7716, 7902, 10288, 10536, 11574, 14048, 15432, 15804, 20576, 21072, 23148, 30864, 31608, 42144, 46296, 61728, 63216, 92592, 126432, 185184, 282277, 564554, 846831, 1129108, 1693662, 2258216, 2540493, 3387324, 4516432, 5080986, 6774648, 9032864, 10161972, 13549296, 20323944, 27098592, 40647888, 81295776]

約数ペア:

[(1, 81295776), (2, 40647888), (3, 27098592), (4, 20323944), (6, 13549296), (8, 10161972), (9, 9032864), (12, 6774648), (16, 5080986), (18, 4516432), (24, 3387324), (32, 2540493), (36, 2258216), (48, 1693662), (72, 1129108), (96, 846831), (144, 564554), (288, 282277), (439, 185184), (643, 126432), (878, 92592), (1286, 63216), (1317, 61728), (1756, 46296), (1929, 42144), (2572, 31608), (2634, 30864), (3512, 23148), (3858, 21072), (3951, 20576), (5144, 15804), (5268, 15432), (5787, 14048), (7024, 11574), (7716, 10536), (7902, 10288)]