81666864

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1571}}^1$

素因数の和:1623

約数の個数: 90

約数和(自身を含む): 241369596

約数和(自身を除く): 159702732

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 361, 456, 684, 722, 912, 1083, 1368, 1444, 1571, 2166, 2736, 2888, 3142, 3249, 4332, 4713, 5776, 6284, 6498, 8664, 9426, 12568, 12996, 14139, 17328, 18852, 25136, 25992, 28278, 29849, 37704, 51984, 56556, 59698, 75408, 89547, 113112, 119396, 179094, 226224, 238792, 268641, 358188, 477584, 537282, 567131, 716376, 1074564, 1134262, 1432752, 1701393, 2149128, 2268524, 3402786, 4298256, 4537048, 5104179, 6805572, 9074096, 10208358, 13611144, 20416716, 27222288, 40833432, 81666864]

約数ペア:

[(1, 81666864), (2, 40833432), (3, 27222288), (4, 20416716), (6, 13611144), (8, 10208358), (9, 9074096), (12, 6805572), (16, 5104179), (18, 4537048), (19, 4298256), (24, 3402786), (36, 2268524), (38, 2149128), (48, 1701393), (57, 1432752), (72, 1134262), (76, 1074564), (114, 716376), (144, 567131), (152, 537282), (171, 477584), (228, 358188), (304, 268641), (342, 238792), (361, 226224), (456, 179094), (684, 119396), (722, 113112), (912, 89547), (1083, 75408), (1368, 59698), (1444, 56556), (1571, 51984), (2166, 37704), (2736, 29849), (2888, 28278), (3142, 25992), (3249, 25136), (4332, 18852), (4713, 17328), (5776, 14139), (6284, 12996), (6498, 12568), (8664, 9426)]