81567216

素因数分解:

$2^4\times 3^3\times {\mathrm{43}}^1\times {\mathrm{4391}}^1$

素因数の和:4451

約数の個数: 80

約数和(自身を含む): 239627520

約数和(自身を除く): 158060304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 43, 48, 54, 72, 86, 108, 129, 144, 172, 216, 258, 344, 387, 432, 516, 688, 774, 1032, 1161, 1548, 2064, 2322, 3096, 4391, 4644, 6192, 8782, 9288, 13173, 17564, 18576, 26346, 35128, 39519, 52692, 70256, 79038, 105384, 118557, 158076, 188813, 210768, 237114, 316152, 377626, 474228, 566439, 632304, 755252, 948456, 1132878, 1510504, 1699317, 1896912, 2265756, 3021008, 3398634, 4531512, 5097951, 6797268, 9063024, 10195902, 13594536, 20391804, 27189072, 40783608, 81567216]

約数ペア:

[(1, 81567216), (2, 40783608), (3, 27189072), (4, 20391804), (6, 13594536), (8, 10195902), (9, 9063024), (12, 6797268), (16, 5097951), (18, 4531512), (24, 3398634), (27, 3021008), (36, 2265756), (43, 1896912), (48, 1699317), (54, 1510504), (72, 1132878), (86, 948456), (108, 755252), (129, 632304), (144, 566439), (172, 474228), (216, 377626), (258, 316152), (344, 237114), (387, 210768), (432, 188813), (516, 158076), (688, 118557), (774, 105384), (1032, 79038), (1161, 70256), (1548, 52692), (2064, 39519), (2322, 35128), (3096, 26346), (4391, 18576), (4644, 17564), (6192, 13173), (8782, 9288)]