81434016

素因数分解:

$2^5\times 3^2\times {\mathrm{157}}^1\times {\mathrm{1801}}^1$

素因数の和:1974

約数の個数: 72

約数和(自身を含む): 233182404

約数和(自身を除く): 151748388

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 157, 288, 314, 471, 628, 942, 1256, 1413, 1801, 1884, 2512, 2826, 3602, 3768, 5024, 5403, 5652, 7204, 7536, 10806, 11304, 14408, 15072, 16209, 21612, 22608, 28816, 32418, 43224, 45216, 57632, 64836, 86448, 129672, 172896, 259344, 282757, 518688, 565514, 848271, 1131028, 1696542, 2262056, 2544813, 3393084, 4524112, 5089626, 6786168, 9048224, 10179252, 13572336, 20358504, 27144672, 40717008, 81434016]

約数ペア:

[(1, 81434016), (2, 40717008), (3, 27144672), (4, 20358504), (6, 13572336), (8, 10179252), (9, 9048224), (12, 6786168), (16, 5089626), (18, 4524112), (24, 3393084), (32, 2544813), (36, 2262056), (48, 1696542), (72, 1131028), (96, 848271), (144, 565514), (157, 518688), (288, 282757), (314, 259344), (471, 172896), (628, 129672), (942, 86448), (1256, 64836), (1413, 57632), (1801, 45216), (1884, 43224), (2512, 32418), (2826, 28816), (3602, 22608), (3768, 21612), (5024, 16209), (5403, 15072), (5652, 14408), (7204, 11304), (7536, 10806)]